/* * Copyright (C) 2005 - 2011 Emulex * All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. The full GNU General * Public License is included in this distribution in the file called COPYING. * * Contact Information: * linux-drivers@emulex.com * * Emulex * 3333 Susan Street * Costa Mesa, CA 92626 */ #include #include "be.h" #include "be_cmds.h" static struct be_cmd_priv_map cmd_priv_map[] = { { OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, CMD_SUBSYSTEM_ETH, BE_PRIV_LNKMGMT | BE_PRIV_VHADM | BE_PRIV_DEVCFG | BE_PRIV_DEVSEC }, { OPCODE_COMMON_GET_FLOW_CONTROL, CMD_SUBSYSTEM_COMMON, BE_PRIV_LNKQUERY | BE_PRIV_VHADM | BE_PRIV_DEVCFG | BE_PRIV_DEVSEC }, { OPCODE_COMMON_SET_FLOW_CONTROL, CMD_SUBSYSTEM_COMMON, BE_PRIV_LNKMGMT | BE_PRIV_VHADM | BE_PRIV_DEVCFG | BE_PRIV_DEVSEC }, { OPCODE_ETH_GET_PPORT_STATS, CMD_SUBSYSTEM_ETH, BE_PRIV_LNKMGMT | BE_PRIV_VHADM | BE_PRIV_DEVCFG | BE_PRIV_DEVSEC }, { OPCODE_COMMON_GET_PHY_DETAILS, CMD_SUBSYSTEM_COMMON, BE_PRIV_LNKMGMT | BE_PRIV_VHADM | BE_PRIV_DEVCFG | BE_PRIV_DEVSEC } }; static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode, u8 subsystem) { int i; int num_entries = sizeof(cmd_priv_map)/sizeof(struct be_cmd_priv_map); u32 cmd_privileges = adapter->cmd_privileges; for (i = 0; i < num_entries; i++) if (opcode == cmd_priv_map[i].opcode && subsystem == cmd_priv_map[i].subsystem) if (!(cmd_privileges & cmd_priv_map[i].priv_mask)) return false; return true; } static inline void *embedded_payload(struct be_mcc_wrb *wrb) { return wrb->payload.embedded_payload; } static void be_mcc_notify(struct be_adapter *adapter) { struct be_queue_info *mccq = &adapter->mcc_obj.q; u32 val = 0; if (be_error(adapter)) return; val |= mccq->id & DB_MCCQ_RING_ID_MASK; val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT; wmb(); iowrite32(val, adapter->db + DB_MCCQ_OFFSET); } /* To check if valid bit is set, check the entire word as we don't know * the endianness of the data (old entry is host endian while a new entry is * little endian) */ static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl) { u32 flags; if (compl->flags != 0) { flags = le32_to_cpu(compl->flags); if (flags & CQE_FLAGS_VALID_MASK) { compl->flags = flags; return true; } } return false; } /* Need to reset the entire word that houses the valid bit */ static inline void be_mcc_compl_use(struct be_mcc_compl *compl) { compl->flags = 0; } static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1) { unsigned long addr; addr = tag1; addr = ((addr << 16) << 16) | tag0; return (void *)addr; } static int be_mcc_compl_process(struct be_adapter *adapter, struct be_mcc_compl *compl) { u16 compl_status, extd_status; struct be_cmd_resp_hdr *resp_hdr; u8 opcode = 0, subsystem = 0; /* Just swap the status to host endian; mcc tag is opaquely copied * from mcc_wrb */ be_dws_le_to_cpu(compl, 4); compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) & CQE_STATUS_COMPL_MASK; resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1); if (resp_hdr) { opcode = resp_hdr->opcode; subsystem = resp_hdr->subsystem; } if (((opcode == OPCODE_COMMON_WRITE_FLASHROM) || (opcode == OPCODE_COMMON_WRITE_OBJECT)) && (subsystem == CMD_SUBSYSTEM_COMMON)) { adapter->flash_status = compl_status; complete(&adapter->flash_compl); } if (compl_status == MCC_STATUS_SUCCESS) { if (((opcode == OPCODE_ETH_GET_STATISTICS) || (opcode == OPCODE_ETH_GET_PPORT_STATS)) && (subsystem == CMD_SUBSYSTEM_ETH)) { be_parse_stats(adapter); adapter->stats_cmd_sent = false; } if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES && subsystem == CMD_SUBSYSTEM_COMMON) { struct be_cmd_resp_get_cntl_addnl_attribs *resp = (void *)resp_hdr; adapter->drv_stats.be_on_die_temperature = resp->on_die_temperature; } } else { if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES) adapter->be_get_temp_freq = 0; if (compl_status == MCC_STATUS_NOT_SUPPORTED || compl_status == MCC_STATUS_ILLEGAL_REQUEST) goto done; if (compl_status == MCC_STATUS_UNAUTHORIZED_REQUEST) { dev_warn(&adapter->pdev->dev, "VF is not privileged to issue opcode %d-%d\n", opcode, subsystem); } else { extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) & CQE_STATUS_EXTD_MASK; dev_err(&adapter->pdev->dev, "opcode %d-%d failed:status %d-%d\n", opcode, subsystem, compl_status, extd_status); } } done: return compl_status; } /* Link state evt is a string of bytes; no need for endian swapping */ static void be_async_link_state_process(struct be_adapter *adapter, struct be_async_event_link_state *evt) { /* When link status changes, link speed must be re-queried from FW */ adapter->phy.link_speed = -1; /* Ignore physical link event */ if (lancer_chip(adapter) && !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK)) return; /* For the initial link status do not rely on the ASYNC event as * it may not be received in some cases. */ if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT) be_link_status_update(adapter, evt->port_link_status); } /* Grp5 CoS Priority evt */ static void be_async_grp5_cos_priority_process(struct be_adapter *adapter, struct be_async_event_grp5_cos_priority *evt) { if (evt->valid) { adapter->vlan_prio_bmap = evt->available_priority_bmap; adapter->recommended_prio &= ~VLAN_PRIO_MASK; adapter->recommended_prio = evt->reco_default_priority << VLAN_PRIO_SHIFT; } } /* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */ static void be_async_grp5_qos_speed_process(struct be_adapter *adapter, struct be_async_event_grp5_qos_link_speed *evt) { if (adapter->phy.link_speed >= 0 && evt->physical_port == adapter->port_num) adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10; } /*Grp5 PVID evt*/ static void be_async_grp5_pvid_state_process(struct be_adapter *adapter, struct be_async_event_grp5_pvid_state *evt) { if (evt->enabled) adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK; else adapter->pvid = 0; } static void be_async_grp5_evt_process(struct be_adapter *adapter, u32 trailer, struct be_mcc_compl *evt) { u8 event_type = 0; event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) & ASYNC_TRAILER_EVENT_TYPE_MASK; switch (event_type) { case ASYNC_EVENT_COS_PRIORITY: be_async_grp5_cos_priority_process(adapter, (struct be_async_event_grp5_cos_priority *)evt); break; case ASYNC_EVENT_QOS_SPEED: be_async_grp5_qos_speed_process(adapter, (struct be_async_event_grp5_qos_link_speed *)evt); break; case ASYNC_EVENT_PVID_STATE: be_async_grp5_pvid_state_process(adapter, (struct be_async_event_grp5_pvid_state *)evt); break; default: dev_warn(&adapter->pdev->dev, "Unknown grp5 event!\n"); break; } } static inline bool is_link_state_evt(u32 trailer) { return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) & ASYNC_TRAILER_EVENT_CODE_MASK) == ASYNC_EVENT_CODE_LINK_STATE; } static inline bool is_grp5_evt(u32 trailer) { return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) & ASYNC_TRAILER_EVENT_CODE_MASK) == ASYNC_EVENT_CODE_GRP_5); } static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter) { struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq; struct be_mcc_compl *compl = queue_tail_node(mcc_cq); if (be_mcc_compl_is_new(compl)) { queue_tail_inc(mcc_cq); return compl; } return NULL; } void be_async_mcc_enable(struct be_adapter *adapter) { spin_lock_bh(&adapter->mcc_cq_lock); be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0); adapter->mcc_obj.rearm_cq = true; spin_unlock_bh(&adapter->mcc_cq_lock); } void be_async_mcc_disable(struct be_adapter *adapter) { spin_lock_bh(&adapter->mcc_cq_lock); adapter->mcc_obj.rearm_cq = false; be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); spin_unlock_bh(&adapter->mcc_cq_lock); } int be_process_mcc(struct be_adapter *adapter) { struct be_mcc_compl *compl; int num = 0, status = 0; struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; spin_lock(&adapter->mcc_cq_lock); while ((compl = be_mcc_compl_get(adapter))) { if (compl->flags & CQE_FLAGS_ASYNC_MASK) { /* Interpret flags as an async trailer */ if (is_link_state_evt(compl->flags)) be_async_link_state_process(adapter, (struct be_async_event_link_state *) compl); else if (is_grp5_evt(compl->flags)) be_async_grp5_evt_process(adapter, compl->flags, compl); } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) { status = be_mcc_compl_process(adapter, compl); atomic_dec(&mcc_obj->q.used); } be_mcc_compl_use(compl); num++; } if (num) be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num); spin_unlock(&adapter->mcc_cq_lock); return status; } /* Wait till no more pending mcc requests are present */ static int be_mcc_wait_compl(struct be_adapter *adapter) { #define mcc_timeout 120000 /* 12s timeout */ int i, status = 0; struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; for (i = 0; i < mcc_timeout; i++) { if (be_error(adapter)) return -EIO; local_bh_disable(); status = be_process_mcc(adapter); local_bh_enable(); if (atomic_read(&mcc_obj->q.used) == 0) break; udelay(100); } if (i == mcc_timeout) { dev_err(&adapter->pdev->dev, "FW not responding\n"); adapter->fw_timeout = true; return -EIO; } return status; } /* Notify MCC requests and wait for completion */ static int be_mcc_notify_wait(struct be_adapter *adapter) { int status; struct be_mcc_wrb *wrb; struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; u16 index = mcc_obj->q.head; struct be_cmd_resp_hdr *resp; index_dec(&index, mcc_obj->q.len); wrb = queue_index_node(&mcc_obj->q, index); resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1); be_mcc_notify(adapter); status = be_mcc_wait_compl(adapter); if (status == -EIO) goto out; status = resp->status; out: return status; } static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) { int msecs = 0; u32 ready; do { if (be_error(adapter)) return -EIO; ready = ioread32(db); if (ready == 0xffffffff) return -1; ready &= MPU_MAILBOX_DB_RDY_MASK; if (ready) break; if (msecs > 4000) { dev_err(&adapter->pdev->dev, "FW not responding\n"); adapter->fw_timeout = true; be_detect_error(adapter); return -1; } msleep(1); msecs++; } while (true); return 0; } /* * Insert the mailbox address into the doorbell in two steps * Polls on the mbox doorbell till a command completion (or a timeout) occurs */ static int be_mbox_notify_wait(struct be_adapter *adapter) { int status; u32 val = 0; void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET; struct be_dma_mem *mbox_mem = &adapter->mbox_mem; struct be_mcc_mailbox *mbox = mbox_mem->va; struct be_mcc_compl *compl = &mbox->compl; /* wait for ready to be set */ status = be_mbox_db_ready_wait(adapter, db); if (status != 0) return status; val |= MPU_MAILBOX_DB_HI_MASK; /* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */ val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2; iowrite32(val, db); /* wait for ready to be set */ status = be_mbox_db_ready_wait(adapter, db); if (status != 0) return status; val = 0; /* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */ val |= (u32)(mbox_mem->dma >> 4) << 2; iowrite32(val, db); status = be_mbox_db_ready_wait(adapter, db); if (status != 0) return status; /* A cq entry has been made now */ if (be_mcc_compl_is_new(compl)) { status = be_mcc_compl_process(adapter, &mbox->compl); be_mcc_compl_use(compl); if (status) return status; } else { dev_err(&adapter->pdev->dev, "invalid mailbox completion\n"); return -1; } return 0; } static u16 be_POST_stage_get(struct be_adapter *adapter) { u32 sem; if (BEx_chip(adapter)) sem = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx); else pci_read_config_dword(adapter->pdev, SLIPORT_SEMAPHORE_OFFSET_SH, &sem); return sem & POST_STAGE_MASK; } int lancer_wait_ready(struct be_adapter *adapter) { #define SLIPORT_READY_TIMEOUT 30 u32 sliport_status; int status = 0, i; for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) { sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); if (sliport_status & SLIPORT_STATUS_RDY_MASK) break; msleep(1000); } if (i == SLIPORT_READY_TIMEOUT) status = -1; return status; } static bool lancer_provisioning_error(struct be_adapter *adapter) { u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); if (sliport_status & SLIPORT_STATUS_ERR_MASK) { sliport_err1 = ioread32(adapter->db + SLIPORT_ERROR1_OFFSET); sliport_err2 = ioread32(adapter->db + SLIPORT_ERROR2_OFFSET); if (sliport_err1 == SLIPORT_ERROR_NO_RESOURCE1 && sliport_err2 == SLIPORT_ERROR_NO_RESOURCE2) return true; } return false; } int lancer_test_and_set_rdy_state(struct be_adapter *adapter) { int status; u32 sliport_status, err, reset_needed; bool resource_error; resource_error = lancer_provisioning_error(adapter); if (resource_error) return -1; status = lancer_wait_ready(adapter); if (!status) { sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); err = sliport_status & SLIPORT_STATUS_ERR_MASK; reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK; if (err && reset_needed) { iowrite32(SLI_PORT_CONTROL_IP_MASK, adapter->db + SLIPORT_CONTROL_OFFSET); /* check adapter has corrected the error */ status = lancer_wait_ready(adapter); sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); sliport_status &= (SLIPORT_STATUS_ERR_MASK | SLIPORT_STATUS_RN_MASK); if (status || sliport_status) status = -1; } else if (err || reset_needed) { status = -1; } } /* Stop error recovery if error is not recoverable. * No resource error is temporary errors and will go away * when PF provisions resources. */ resource_error = lancer_provisioning_error(adapter); if (status == -1 && !resource_error) adapter->eeh_error = true; return status; } int be_fw_wait_ready(struct be_adapter *adapter) { u16 stage; int status, timeout = 0; struct device *dev = &adapter->pdev->dev; if (lancer_chip(adapter)) { status = lancer_wait_ready(adapter); return status; } do { stage = be_POST_stage_get(adapter); if (stage == POST_STAGE_ARMFW_RDY) return 0; dev_info(dev, "Waiting for POST, %ds elapsed\n", timeout); if (msleep_interruptible(2000)) { dev_err(dev, "Waiting for POST aborted\n"); return -EINTR; } timeout += 2; } while (timeout < 60); dev_err(dev, "POST timeout; stage=0x%x\n", stage); return -1; } static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb) { return &wrb->payload.sgl[0]; } /* Don't touch the hdr after it's prepared */ /* mem will be NULL for embedded commands */ static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr, u8 subsystem, u8 opcode, int cmd_len, struct be_mcc_wrb *wrb, struct be_dma_mem *mem) { struct be_sge *sge; unsigned long addr = (unsigned long)req_hdr; u64 req_addr = addr; req_hdr->opcode = opcode; req_hdr->subsystem = subsystem; req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr)); req_hdr->version = 0; wrb->tag0 = req_addr & 0xFFFFFFFF; wrb->tag1 = upper_32_bits(req_addr); wrb->payload_length = cmd_len; if (mem) { wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) << MCC_WRB_SGE_CNT_SHIFT; sge = nonembedded_sgl(wrb); sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma)); sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF); sge->len = cpu_to_le32(mem->size); } else wrb->embedded |= MCC_WRB_EMBEDDED_MASK; be_dws_cpu_to_le(wrb, 8); } static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages, struct be_dma_mem *mem) { int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages); u64 dma = (u64)mem->dma; for (i = 0; i < buf_pages; i++) { pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF); pages[i].hi = cpu_to_le32(upper_32_bits(dma)); dma += PAGE_SIZE_4K; } } /* Converts interrupt delay in microseconds to multiplier value */ static u32 eq_delay_to_mult(u32 usec_delay) { #define MAX_INTR_RATE 651042 const u32 round = 10; u32 multiplier; if (usec_delay == 0) multiplier = 0; else { u32 interrupt_rate = 1000000 / usec_delay; /* Max delay, corresponding to the lowest interrupt rate */ if (interrupt_rate == 0) multiplier = 1023; else { multiplier = (MAX_INTR_RATE - interrupt_rate) * round; multiplier /= interrupt_rate; /* Round the multiplier to the closest value.*/ multiplier = (multiplier + round/2) / round; multiplier = min(multiplier, (u32)1023); } } return multiplier; } static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter) { struct be_dma_mem *mbox_mem = &adapter->mbox_mem; struct be_mcc_wrb *wrb = &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb; memset(wrb, 0, sizeof(*wrb)); return wrb; } static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter) { struct be_queue_info *mccq = &adapter->mcc_obj.q; struct be_mcc_wrb *wrb; if (!mccq->created) return NULL; if (atomic_read(&mccq->used) >= mccq->len) { dev_err(&adapter->pdev->dev, "Out of MCCQ wrbs\n"); return NULL; } wrb = queue_head_node(mccq); queue_head_inc(mccq); atomic_inc(&mccq->used); memset(wrb, 0, sizeof(*wrb)); return wrb; } /* Tell fw we're about to start firing cmds by writing a * special pattern across the wrb hdr; uses mbox */ int be_cmd_fw_init(struct be_adapter *adapter) { u8 *wrb; int status; if (lancer_chip(adapter)) return 0; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = (u8 *)wrb_from_mbox(adapter); *wrb++ = 0xFF; *wrb++ = 0x12; *wrb++ = 0x34; *wrb++ = 0xFF; *wrb++ = 0xFF; *wrb++ = 0x56; *wrb++ = 0x78; *wrb = 0xFF; status = be_mbox_notify_wait(adapter); mutex_unlock(&adapter->mbox_lock); return status; } /* Tell fw we're done with firing cmds by writing a * special pattern across the wrb hdr; uses mbox */ int be_cmd_fw_clean(struct be_adapter *adapter) { u8 *wrb; int status; if (lancer_chip(adapter)) return 0; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = (u8 *)wrb_from_mbox(adapter); *wrb++ = 0xFF; *wrb++ = 0xAA; *wrb++ = 0xBB; *wrb++ = 0xFF; *wrb++ = 0xFF; *wrb++ = 0xCC; *wrb++ = 0xDD; *wrb = 0xFF; status = be_mbox_notify_wait(adapter); mutex_unlock(&adapter->mbox_lock); return status; } int be_cmd_eq_create(struct be_adapter *adapter, struct be_queue_info *eq, int eq_delay) { struct be_mcc_wrb *wrb; struct be_cmd_req_eq_create *req; struct be_dma_mem *q_mem = &eq->dma_mem; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb, NULL); req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1); /* 4byte eqe*/ AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0); AMAP_SET_BITS(struct amap_eq_context, count, req->context, __ilog2_u32(eq->len/256)); AMAP_SET_BITS(struct amap_eq_context, delaymult, req->context, eq_delay_to_mult(eq_delay)); be_dws_cpu_to_le(req->context, sizeof(req->context)); be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_eq_create *resp = embedded_payload(wrb); eq->id = le16_to_cpu(resp->eq_id); eq->created = true; } mutex_unlock(&adapter->mbox_lock); return status; } /* Use MCC */ int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr, bool permanent, u32 if_handle, u32 pmac_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_mac_query *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb, NULL); req->type = MAC_ADDRESS_TYPE_NETWORK; if (permanent) { req->permanent = 1; } else { req->if_id = cpu_to_le16((u16) if_handle); req->pmac_id = cpu_to_le32(pmac_id); req->permanent = 0; } status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_mac_query *resp = embedded_payload(wrb); memcpy(mac_addr, resp->mac.addr, ETH_ALEN); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses synchronous MCCQ */ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr, u32 if_id, u32 *pmac_id, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_pmac_add *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb, NULL); req->hdr.domain = domain; req->if_id = cpu_to_le32(if_id); memcpy(req->mac_address, mac_addr, ETH_ALEN); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb); *pmac_id = le32_to_cpu(resp->pmac_id); } err: spin_unlock_bh(&adapter->mcc_lock); if (status == MCC_STATUS_UNAUTHORIZED_REQUEST) status = -EPERM; return status; } /* Uses synchronous MCCQ */ int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom) { struct be_mcc_wrb *wrb; struct be_cmd_req_pmac_del *req; int status; if (pmac_id == -1) return 0; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req), wrb, NULL); req->hdr.domain = dom; req->if_id = cpu_to_le32(if_id); req->pmac_id = cpu_to_le32(pmac_id); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses Mbox */ int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq, struct be_queue_info *eq, bool no_delay, int coalesce_wm) { struct be_mcc_wrb *wrb; struct be_cmd_req_cq_create *req; struct be_dma_mem *q_mem = &cq->dma_mem; void *ctxt; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); ctxt = &req->context; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb, NULL); req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); if (lancer_chip(adapter)) { req->hdr.version = 2; req->page_size = 1; /* 1 for 4K */ AMAP_SET_BITS(struct amap_cq_context_lancer, nodelay, ctxt, no_delay); AMAP_SET_BITS(struct amap_cq_context_lancer, count, ctxt, __ilog2_u32(cq->len/256)); AMAP_SET_BITS(struct amap_cq_context_lancer, valid, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context_lancer, eventable, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context_lancer, eqid, ctxt, eq->id); } else { AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt, coalesce_wm); AMAP_SET_BITS(struct amap_cq_context_be, nodelay, ctxt, no_delay); AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt, __ilog2_u32(cq->len/256)); AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id); } be_dws_cpu_to_le(ctxt, sizeof(req->context)); be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_cq_create *resp = embedded_payload(wrb); cq->id = le16_to_cpu(resp->cq_id); cq->created = true; } mutex_unlock(&adapter->mbox_lock); return status; } static u32 be_encoded_q_len(int q_len) { u32 len_encoded = fls(q_len); /* log2(len) + 1 */ if (len_encoded == 16) len_encoded = 0; return len_encoded; } int be_cmd_mccq_ext_create(struct be_adapter *adapter, struct be_queue_info *mccq, struct be_queue_info *cq) { struct be_mcc_wrb *wrb; struct be_cmd_req_mcc_ext_create *req; struct be_dma_mem *q_mem = &mccq->dma_mem; void *ctxt; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); ctxt = &req->context; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb, NULL); req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); if (lancer_chip(adapter)) { req->hdr.version = 1; req->cq_id = cpu_to_le16(cq->id); AMAP_SET_BITS(struct amap_mcc_context_lancer, ring_size, ctxt, be_encoded_q_len(mccq->len)); AMAP_SET_BITS(struct amap_mcc_context_lancer, valid, ctxt, 1); AMAP_SET_BITS(struct amap_mcc_context_lancer, async_cq_id, ctxt, cq->id); AMAP_SET_BITS(struct amap_mcc_context_lancer, async_cq_valid, ctxt, 1); } else { AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1); AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt, be_encoded_q_len(mccq->len)); AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id); } /* Subscribe to Link State and Group 5 Events(bits 1 and 5 set) */ req->async_event_bitmap[0] = cpu_to_le32(0x00000022); be_dws_cpu_to_le(ctxt, sizeof(req->context)); be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb); mccq->id = le16_to_cpu(resp->id); mccq->created = true; } mutex_unlock(&adapter->mbox_lock); return status; } int be_cmd_mccq_org_create(struct be_adapter *adapter, struct be_queue_info *mccq, struct be_queue_info *cq) { struct be_mcc_wrb *wrb; struct be_cmd_req_mcc_create *req; struct be_dma_mem *q_mem = &mccq->dma_mem; void *ctxt; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); ctxt = &req->context; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb, NULL); req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1); AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt, be_encoded_q_len(mccq->len)); AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id); be_dws_cpu_to_le(ctxt, sizeof(req->context)); be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb); mccq->id = le16_to_cpu(resp->id); mccq->created = true; } mutex_unlock(&adapter->mbox_lock); return status; } int be_cmd_mccq_create(struct be_adapter *adapter, struct be_queue_info *mccq, struct be_queue_info *cq) { int status; status = be_cmd_mccq_ext_create(adapter, mccq, cq); if (status && !lancer_chip(adapter)) { dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 " "or newer to avoid conflicting priorities between NIC " "and FCoE traffic"); status = be_cmd_mccq_org_create(adapter, mccq, cq); } return status; } int be_cmd_txq_create(struct be_adapter *adapter, struct be_queue_info *txq, struct be_queue_info *cq) { struct be_mcc_wrb *wrb; struct be_cmd_req_eth_tx_create *req; struct be_dma_mem *q_mem = &txq->dma_mem; void *ctxt; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); ctxt = &req->context; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE, sizeof(*req), wrb, NULL); if (lancer_chip(adapter)) { req->hdr.version = 1; AMAP_SET_BITS(struct amap_tx_context, if_id, ctxt, adapter->if_handle); } req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size); req->ulp_num = BE_ULP1_NUM; req->type = BE_ETH_TX_RING_TYPE_STANDARD; AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt, be_encoded_q_len(txq->len)); AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1); AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id); be_dws_cpu_to_le(ctxt, sizeof(req->context)); be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_eth_tx_create *resp = embedded_payload(wrb); txq->id = le16_to_cpu(resp->cid); txq->created = true; } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses MCC */ int be_cmd_rxq_create(struct be_adapter *adapter, struct be_queue_info *rxq, u16 cq_id, u16 frag_size, u32 if_id, u32 rss, u8 *rss_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_eth_rx_create *req; struct be_dma_mem *q_mem = &rxq->dma_mem; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL); req->cq_id = cpu_to_le16(cq_id); req->frag_size = fls(frag_size) - 1; req->num_pages = 2; be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); req->interface_id = cpu_to_le32(if_id); req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE); req->rss_queue = cpu_to_le32(rss); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb); rxq->id = le16_to_cpu(resp->id); rxq->created = true; *rss_id = resp->rss_id; } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Generic destroyer function for all types of queues * Uses Mbox */ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q, int queue_type) { struct be_mcc_wrb *wrb; struct be_cmd_req_q_destroy *req; u8 subsys = 0, opcode = 0; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); switch (queue_type) { case QTYPE_EQ: subsys = CMD_SUBSYSTEM_COMMON; opcode = OPCODE_COMMON_EQ_DESTROY; break; case QTYPE_CQ: subsys = CMD_SUBSYSTEM_COMMON; opcode = OPCODE_COMMON_CQ_DESTROY; break; case QTYPE_TXQ: subsys = CMD_SUBSYSTEM_ETH; opcode = OPCODE_ETH_TX_DESTROY; break; case QTYPE_RXQ: subsys = CMD_SUBSYSTEM_ETH; opcode = OPCODE_ETH_RX_DESTROY; break; case QTYPE_MCCQ: subsys = CMD_SUBSYSTEM_COMMON; opcode = OPCODE_COMMON_MCC_DESTROY; break; default: BUG(); } be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb, NULL); req->id = cpu_to_le16(q->id); status = be_mbox_notify_wait(adapter); q->created = false; mutex_unlock(&adapter->mbox_lock); return status; } /* Uses MCC */ int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q) { struct be_mcc_wrb *wrb; struct be_cmd_req_q_destroy *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL); req->id = cpu_to_le16(q->id); status = be_mcc_notify_wait(adapter); q->created = false; err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Create an rx filtering policy configuration on an i/f * Uses MCCQ */ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags, u32 *if_handle, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_if_create *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req), wrb, NULL); req->hdr.domain = domain; req->capability_flags = cpu_to_le32(cap_flags); req->enable_flags = cpu_to_le32(en_flags); req->pmac_invalid = true; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_if_create *resp = embedded_payload(wrb); *if_handle = le32_to_cpu(resp->interface_id); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses MCCQ */ int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_if_destroy *req; int status; if (interface_id == -1) return 0; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req), wrb, NULL); req->hdr.domain = domain; req->interface_id = cpu_to_le32(interface_id); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Get stats is a non embedded command: the request is not embedded inside * WRB but is a separate dma memory block * Uses asynchronous MCC */ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) { struct be_mcc_wrb *wrb; struct be_cmd_req_hdr *hdr; int status = 0; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } hdr = nonemb_cmd->va; be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb, nonemb_cmd); /* version 1 of the cmd is not supported only by BE2 */ if (!BE2_chip(adapter)) hdr->version = 1; be_mcc_notify(adapter); adapter->stats_cmd_sent = true; err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Lancer Stats */ int lancer_cmd_get_pport_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) { struct be_mcc_wrb *wrb; struct lancer_cmd_req_pport_stats *req; int status = 0; if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS, CMD_SUBSYSTEM_ETH)) return -EPERM; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = nonemb_cmd->va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size, wrb, nonemb_cmd); req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num); req->cmd_params.params.reset_stats = 0; be_mcc_notify(adapter); adapter->stats_cmd_sent = true; err: spin_unlock_bh(&adapter->mcc_lock); return status; } static int be_mac_to_link_speed(int mac_speed) { switch (mac_speed) { case PHY_LINK_SPEED_ZERO: return 0; case PHY_LINK_SPEED_10MBPS: return 10; case PHY_LINK_SPEED_100MBPS: return 100; case PHY_LINK_SPEED_1GBPS: return 1000; case PHY_LINK_SPEED_10GBPS: return 10000; } return 0; } /* Uses synchronous mcc * Returns link_speed in Mbps */ int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed, u8 *link_status, u32 dom) { struct be_mcc_wrb *wrb; struct be_cmd_req_link_status *req; int status; spin_lock_bh(&adapter->mcc_lock); if (link_status) *link_status = LINK_DOWN; wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req), wrb, NULL); /* version 1 of the cmd is not supported only by BE2 */ if (!BE2_chip(adapter)) req->hdr.version = 1; req->hdr.domain = dom; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_link_status *resp = embedded_payload(wrb); if (link_speed) { *link_speed = resp->link_speed ? le16_to_cpu(resp->link_speed) * 10 : be_mac_to_link_speed(resp->mac_speed); if (!resp->logical_link_status) *link_speed = 0; } if (link_status) *link_status = resp->logical_link_status; } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses synchronous mcc */ int be_cmd_get_die_temperature(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_cntl_addnl_attribs *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES, sizeof(*req), wrb, NULL); be_mcc_notify(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses synchronous mcc */ int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_fat *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MANAGE_FAT, sizeof(*req), wrb, NULL); req->fat_operation = cpu_to_le32(QUERY_FAT); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_fat *resp = embedded_payload(wrb); if (log_size && resp->log_size) *log_size = le32_to_cpu(resp->log_size) - sizeof(u32); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } void be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf) { struct be_dma_mem get_fat_cmd; struct be_mcc_wrb *wrb; struct be_cmd_req_get_fat *req; u32 offset = 0, total_size, buf_size, log_offset = sizeof(u32), payload_len; int status; if (buf_len == 0) return; total_size = buf_len; get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60*1024; get_fat_cmd.va = pci_alloc_consistent(adapter->pdev, get_fat_cmd.size, &get_fat_cmd.dma); if (!get_fat_cmd.va) { status = -ENOMEM; dev_err(&adapter->pdev->dev, "Memory allocation failure while retrieving FAT data\n"); return; } spin_lock_bh(&adapter->mcc_lock); while (total_size) { buf_size = min(total_size, (u32)60*1024); total_size -= buf_size; wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = get_fat_cmd.va; payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MANAGE_FAT, payload_len, wrb, &get_fat_cmd); req->fat_operation = cpu_to_le32(RETRIEVE_FAT); req->read_log_offset = cpu_to_le32(log_offset); req->read_log_length = cpu_to_le32(buf_size); req->data_buffer_size = cpu_to_le32(buf_size); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_fat *resp = get_fat_cmd.va; memcpy(buf + offset, resp->data_buffer, le32_to_cpu(resp->read_log_length)); } else { dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n"); goto err; } offset += buf_size; log_offset += buf_size; } err: pci_free_consistent(adapter->pdev, get_fat_cmd.size, get_fat_cmd.va, get_fat_cmd.dma); spin_unlock_bh(&adapter->mcc_lock); } /* Uses synchronous mcc */ int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver, char *fw_on_flash) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_fw_version *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb, NULL); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb); strcpy(fw_ver, resp->firmware_version_string); if (fw_on_flash) strcpy(fw_on_flash, resp->fw_on_flash_version_string); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* set the EQ delay interval of an EQ to specified value * Uses async mcc */ int be_cmd_modify_eqd(struct be_adapter *adapter, u32 eq_id, u32 eqd) { struct be_mcc_wrb *wrb; struct be_cmd_req_modify_eq_delay *req; int status = 0; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb, NULL); req->num_eq = cpu_to_le32(1); req->delay[0].eq_id = cpu_to_le32(eq_id); req->delay[0].phase = 0; req->delay[0].delay_multiplier = cpu_to_le32(eqd); be_mcc_notify(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses sycnhronous mcc */ int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array, u32 num, bool untagged, bool promiscuous) { struct be_mcc_wrb *wrb; struct be_cmd_req_vlan_config *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req), wrb, NULL); req->interface_id = if_id; req->promiscuous = promiscuous; req->untagged = untagged; req->num_vlan = num; if (!promiscuous) { memcpy(req->normal_vlan, vtag_array, req->num_vlan * sizeof(vtag_array[0])); } status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value) { struct be_mcc_wrb *wrb; struct be_dma_mem *mem = &adapter->rx_filter; struct be_cmd_req_rx_filter *req = mem->va; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } memset(req, 0, sizeof(*req)); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req), wrb, mem); req->if_id = cpu_to_le32(adapter->if_handle); if (flags & IFF_PROMISC) { req->if_flags_mask = cpu_to_le32(BE_IF_FLAGS_PROMISCUOUS | BE_IF_FLAGS_VLAN_PROMISCUOUS); if (value == ON) req->if_flags = cpu_to_le32(BE_IF_FLAGS_PROMISCUOUS | BE_IF_FLAGS_VLAN_PROMISCUOUS); } else if (flags & IFF_ALLMULTI) { req->if_flags_mask = req->if_flags = cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS); } else { struct netdev_hw_addr *ha; int i = 0; req->if_flags_mask = req->if_flags = cpu_to_le32(BE_IF_FLAGS_MULTICAST); /* Reset mcast promisc mode if already set by setting mask * and not setting flags field */ req->if_flags_mask |= cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS & adapter->if_cap_flags); req->mcast_num = cpu_to_le32(netdev_mc_count(adapter->netdev)); netdev_for_each_mc_addr(ha, adapter->netdev) memcpy(req->mcast_mac[i++].byte, ha->addr, ETH_ALEN); } status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses synchrounous mcc */ int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_flow_control *req; int status; if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL, CMD_SUBSYSTEM_COMMON)) return -EPERM; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req), wrb, NULL); req->tx_flow_control = cpu_to_le16((u16)tx_fc); req->rx_flow_control = cpu_to_le16((u16)rx_fc); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses sycn mcc */ int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_flow_control *req; int status; if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL, CMD_SUBSYSTEM_COMMON)) return -EPERM; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req), wrb, NULL); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_flow_control *resp = embedded_payload(wrb); *tx_fc = le16_to_cpu(resp->tx_flow_control); *rx_fc = le16_to_cpu(resp->rx_flow_control); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses mbox */ int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num, u32 *mode, u32 *caps) { struct be_mcc_wrb *wrb; struct be_cmd_req_query_fw_cfg *req; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req), wrb, NULL); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb); *port_num = le32_to_cpu(resp->phys_port); *mode = le32_to_cpu(resp->function_mode); *caps = le32_to_cpu(resp->function_caps); } mutex_unlock(&adapter->mbox_lock); return status; } /* Uses mbox */ int be_cmd_reset_function(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_hdr *req; int status; if (lancer_chip(adapter)) { status = lancer_wait_ready(adapter); if (!status) { iowrite32(SLI_PORT_CONTROL_IP_MASK, adapter->db + SLIPORT_CONTROL_OFFSET); status = lancer_test_and_set_rdy_state(adapter); } if (status) { dev_err(&adapter->pdev->dev, "Adapter in non recoverable error\n"); } return status; } if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb, NULL); status = be_mbox_notify_wait(adapter); mutex_unlock(&adapter->mbox_lock); return status; } int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable, u16 table_size) { struct be_mcc_wrb *wrb; struct be_cmd_req_rss_config *req; u32 myhash[10] = {0x15d43fa5, 0x2534685a, 0x5f87693a, 0x5668494e, 0x33cf6a53, 0x383334c6, 0x76ac4257, 0x59b242b2, 0x3ea83c02, 0x4a110304}; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL); req->if_id = cpu_to_le32(adapter->if_handle); req->enable_rss = cpu_to_le16(RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6); if (lancer_chip(adapter) || skyhawk_chip(adapter)) { req->hdr.version = 1; req->enable_rss |= cpu_to_le16(RSS_ENABLE_UDP_IPV4 | RSS_ENABLE_UDP_IPV6); } req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1); memcpy(req->cpu_table, rsstable, table_size); memcpy(req->hash, myhash, sizeof(myhash)); be_dws_cpu_to_le(req->hash, sizeof(req->hash)); status = be_mbox_notify_wait(adapter); mutex_unlock(&adapter->mbox_lock); return status; } /* Uses sync mcc */ int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num, u8 bcn, u8 sts, u8 state) { struct be_mcc_wrb *wrb; struct be_cmd_req_enable_disable_beacon *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req), wrb, NULL); req->port_num = port_num; req->beacon_state = state; req->beacon_duration = bcn; req->status_duration = sts; status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses sync mcc */ int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_beacon_state *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req), wrb, NULL); req->port_num = port_num; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_beacon_state *resp = embedded_payload(wrb); *state = resp->beacon_state; } err: spin_unlock_bh(&adapter->mcc_lock); return status; } int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd, u32 data_size, u32 data_offset, const char *obj_name, u32 *data_written, u8 *change_status, u8 *addn_status) { struct be_mcc_wrb *wrb; struct lancer_cmd_req_write_object *req; struct lancer_cmd_resp_write_object *resp; void *ctxt = NULL; int status; spin_lock_bh(&adapter->mcc_lock); adapter->flash_status = 0; wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err_unlock; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_WRITE_OBJECT, sizeof(struct lancer_cmd_req_write_object), wrb, NULL); ctxt = &req->context; AMAP_SET_BITS(struct amap_lancer_write_obj_context, write_length, ctxt, data_size); if (data_size == 0) AMAP_SET_BITS(struct amap_lancer_write_obj_context, eof, ctxt, 1); else AMAP_SET_BITS(struct amap_lancer_write_obj_context, eof, ctxt, 0); be_dws_cpu_to_le(ctxt, sizeof(req->context)); req->write_offset = cpu_to_le32(data_offset); strcpy(req->object_name, obj_name); req->descriptor_count = cpu_to_le32(1); req->buf_len = cpu_to_le32(data_size); req->addr_low = cpu_to_le32((cmd->dma + sizeof(struct lancer_cmd_req_write_object)) & 0xFFFFFFFF); req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma + sizeof(struct lancer_cmd_req_write_object))); be_mcc_notify(adapter); spin_unlock_bh(&adapter->mcc_lock); if (!wait_for_completion_timeout(&adapter->flash_compl, msecs_to_jiffies(30000))) status = -1; else status = adapter->flash_status; resp = embedded_payload(wrb); if (!status) { *data_written = le32_to_cpu(resp->actual_write_len); *change_status = resp->change_status; } else { *addn_status = resp->additional_status; } return status; err_unlock: spin_unlock_bh(&adapter->mcc_lock); return status; } int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd, u32 data_size, u32 data_offset, const char *obj_name, u32 *data_read, u32 *eof, u8 *addn_status) { struct be_mcc_wrb *wrb; struct lancer_cmd_req_read_object *req; struct lancer_cmd_resp_read_object *resp; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err_unlock; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_READ_OBJECT, sizeof(struct lancer_cmd_req_read_object), wrb, NULL); req->desired_read_len = cpu_to_le32(data_size); req->read_offset = cpu_to_le32(data_offset); strcpy(req->object_name, obj_name); req->descriptor_count = cpu_to_le32(1); req->buf_len = cpu_to_le32(data_size); req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF)); req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma)); status = be_mcc_notify_wait(adapter); resp = embedded_payload(wrb); if (!status) { *data_read = le32_to_cpu(resp->actual_read_len); *eof = le32_to_cpu(resp->eof); } else { *addn_status = resp->additional_status; } err_unlock: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, u32 flash_type, u32 flash_opcode, u32 buf_size) { struct be_mcc_wrb *wrb; struct be_cmd_write_flashrom *req; int status; spin_lock_bh(&adapter->mcc_lock); adapter->flash_status = 0; wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err_unlock; } req = cmd->va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb, cmd); req->params.op_type = cpu_to_le32(flash_type); req->params.op_code = cpu_to_le32(flash_opcode); req->params.data_buf_size = cpu_to_le32(buf_size); be_mcc_notify(adapter); spin_unlock_bh(&adapter->mcc_lock); if (!wait_for_completion_timeout(&adapter->flash_compl, msecs_to_jiffies(40000))) status = -1; else status = adapter->flash_status; return status; err_unlock: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc, int offset) { struct be_mcc_wrb *wrb; struct be_cmd_read_flash_crc *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_READ_FLASHROM, sizeof(*req), wrb, NULL); req->params.op_type = cpu_to_le32(OPTYPE_REDBOOT); req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT); req->params.offset = cpu_to_le32(offset); req->params.data_buf_size = cpu_to_le32(0x4); status = be_mcc_notify_wait(adapter); if (!status) memcpy(flashed_crc, req->crc, 4); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac, struct be_dma_mem *nonemb_cmd) { struct be_mcc_wrb *wrb; struct be_cmd_req_acpi_wol_magic_config *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = nonemb_cmd->va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req), wrb, nonemb_cmd); memcpy(req->magic_mac, mac, ETH_ALEN); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num, u8 loopback_type, u8 enable) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_lmode *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req), wrb, NULL); req->src_port = port_num; req->dest_port = port_num; req->loopback_type = loopback_type; req->loopback_state = enable; status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, u32 loopback_type, u32 pkt_size, u32 num_pkts, u64 pattern) { struct be_mcc_wrb *wrb; struct be_cmd_req_loopback_test *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb, NULL); req->hdr.timeout = cpu_to_le32(4); req->pattern = cpu_to_le64(pattern); req->src_port = cpu_to_le32(port_num); req->dest_port = cpu_to_le32(port_num); req->pkt_size = cpu_to_le32(pkt_size); req->num_pkts = cpu_to_le32(num_pkts); req->loopback_type = cpu_to_le32(loopback_type); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb); status = le32_to_cpu(resp->status); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern, u32 byte_cnt, struct be_dma_mem *cmd) { struct be_mcc_wrb *wrb; struct be_cmd_req_ddrdma_test *req; int status; int i, j = 0; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd->va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb, cmd); req->pattern = cpu_to_le64(pattern); req->byte_count = cpu_to_le32(byte_cnt); for (i = 0; i < byte_cnt; i++) { req->snd_buff[i] = (u8)(pattern >> (j*8)); j++; if (j > 7) j = 0; } status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_ddrdma_test *resp; resp = cmd->va; if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) || resp->snd_err) { status = -1; } } err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_get_seeprom_data(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) { struct be_mcc_wrb *wrb; struct be_cmd_req_seeprom_read *req; struct be_sge *sge; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = nonemb_cmd->va; sge = nonembedded_sgl(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb, nonemb_cmd); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_get_phy_info(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_phy_info *req; struct be_dma_mem cmd; int status; if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS, CMD_SUBSYSTEM_COMMON)) return -EPERM; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } cmd.size = sizeof(struct be_cmd_req_get_phy_info); cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma); if (!cmd.va) { dev_err(&adapter->pdev->dev, "Memory alloc failure\n"); status = -ENOMEM; goto err; } req = cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req), wrb, &cmd); status = be_mcc_notify_wait(adapter); if (!status) { struct be_phy_info *resp_phy_info = cmd.va + sizeof(struct be_cmd_req_hdr); adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type); adapter->phy.interface_type = le16_to_cpu(resp_phy_info->interface_type); adapter->phy.auto_speeds_supported = le16_to_cpu(resp_phy_info->auto_speeds_supported); adapter->phy.fixed_speeds_supported = le16_to_cpu(resp_phy_info->fixed_speeds_supported); adapter->phy.misc_params = le32_to_cpu(resp_phy_info->misc_params); } pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_qos *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL); req->hdr.domain = domain; req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC); req->max_bps_nic = cpu_to_le32(bps); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_get_cntl_attributes(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_cntl_attribs *req; struct be_cmd_resp_cntl_attribs *resp; int status; int payload_len = max(sizeof(*req), sizeof(*resp)); struct mgmt_controller_attrib *attribs; struct be_dma_mem attribs_cmd; memset(&attribs_cmd, 0, sizeof(struct be_dma_mem)); attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs); attribs_cmd.va = pci_alloc_consistent(adapter->pdev, attribs_cmd.size, &attribs_cmd.dma); if (!attribs_cmd.va) { dev_err(&adapter->pdev->dev, "Memory allocation failure\n"); return -ENOMEM; } if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); if (!wrb) { status = -EBUSY; goto err; } req = attribs_cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len, wrb, &attribs_cmd); status = be_mbox_notify_wait(adapter); if (!status) { attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr); adapter->hba_port_num = attribs->hba_attribs.phy_port; } err: mutex_unlock(&adapter->mbox_lock); pci_free_consistent(adapter->pdev, attribs_cmd.size, attribs_cmd.va, attribs_cmd.dma); return status; } /* Uses mbox */ int be_cmd_req_native_mode(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_func_cap *req; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP, sizeof(*req), wrb, NULL); req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS | CAPABILITY_BE3_NATIVE_ERX_API); req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb); adapter->be3_native = le32_to_cpu(resp->cap_flags) & CAPABILITY_BE3_NATIVE_ERX_API; if (!adapter->be3_native) dev_warn(&adapter->pdev->dev, "adapter not in advanced mode\n"); } err: mutex_unlock(&adapter->mbox_lock); return status; } /* Get privilege(s) for a function */ int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_fn_privileges *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req), wrb, NULL); req->hdr.domain = domain; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_fn_privileges *resp = embedded_payload(wrb); *privilege = le32_to_cpu(resp->privilege_mask); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses synchronous MCCQ */ int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac, bool *pmac_id_active, u32 *pmac_id, u8 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_mac_list *req; int status; int mac_count; struct be_dma_mem get_mac_list_cmd; int i; memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem)); get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list); get_mac_list_cmd.va = pci_alloc_consistent(adapter->pdev, get_mac_list_cmd.size, &get_mac_list_cmd.dma); if (!get_mac_list_cmd.va) { dev_err(&adapter->pdev->dev, "Memory allocation failure during GET_MAC_LIST\n"); return -ENOMEM; } spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto out; } req = get_mac_list_cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_MAC_LIST, sizeof(*req), wrb, &get_mac_list_cmd); req->hdr.domain = domain; req->mac_type = MAC_ADDRESS_TYPE_NETWORK; req->perm_override = 1; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_mac_list *resp = get_mac_list_cmd.va; mac_count = resp->true_mac_count + resp->pseudo_mac_count; /* Mac list returned could contain one or more active mac_ids * or one or more true or pseudo permanant mac addresses. * If an active mac_id is present, return first active mac_id * found. */ for (i = 0; i < mac_count; i++) { struct get_list_macaddr *mac_entry; u16 mac_addr_size; u32 mac_id; mac_entry = &resp->macaddr_list[i]; mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size); /* mac_id is a 32 bit value and mac_addr size * is 6 bytes */ if (mac_addr_size == sizeof(u32)) { *pmac_id_active = true; mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id; *pmac_id = le32_to_cpu(mac_id); goto out; } } /* If no active mac_id found, return first mac addr */ *pmac_id_active = false; memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr, ETH_ALEN); } out: spin_unlock_bh(&adapter->mcc_lock); pci_free_consistent(adapter->pdev, get_mac_list_cmd.size, get_mac_list_cmd.va, get_mac_list_cmd.dma); return status; } /* Uses synchronous MCCQ */ int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array, u8 mac_count, u32 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_mac_list *req; int status; struct be_dma_mem cmd; memset(&cmd, 0, sizeof(struct be_dma_mem)); cmd.size = sizeof(struct be_cmd_req_set_mac_list); cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, GFP_KERNEL); if (!cmd.va) { dev_err(&adapter->pdev->dev, "Memory alloc failure\n"); return -ENOMEM; } spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_MAC_LIST, sizeof(*req), wrb, &cmd); req->hdr.domain = domain; req->mac_count = mac_count; if (mac_count) memcpy(req->mac, mac_array, ETH_ALEN*mac_count); status = be_mcc_notify_wait(adapter); err: dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid, u32 domain, u16 intf_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_hsw_config *req; void *ctxt; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); ctxt = &req->context; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb, NULL); req->hdr.domain = domain; AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id); if (pvid) { AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1); AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid); } be_dws_cpu_to_le(req->context, sizeof(req->context)); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Get Hyper switch config */ int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid, u32 domain, u16 intf_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_hsw_config *req; void *ctxt; int status; u16 vid; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); ctxt = &req->context; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb, NULL); req->hdr.domain = domain; AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id, ctxt, intf_id); AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1); be_dws_cpu_to_le(req->context, sizeof(req->context)); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_hsw_config *resp = embedded_payload(wrb); be_dws_le_to_cpu(&resp->context, sizeof(resp->context)); vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context, pvid, &resp->context); *pvid = le16_to_cpu(vid); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_acpi_wol_magic_config_v1 *req; int status; int payload_len = sizeof(*req); struct be_dma_mem cmd; if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, CMD_SUBSYSTEM_ETH)) return -EPERM; memset(&cmd, 0, sizeof(struct be_dma_mem)); cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1); cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma); if (!cmd.va) { dev_err(&adapter->pdev->dev, "Memory allocation failure\n"); return -ENOMEM; } if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, payload_len, wrb, &cmd); req->hdr.version = 1; req->query_options = BE_GET_WOL_CAP; status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_acpi_wol_magic_config_v1 *resp; resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *) cmd.va; /* the command could succeed misleadingly on old f/w * which is not aware of the V1 version. fake an error. */ if (resp->hdr.response_length < payload_len) { status = -1; goto err; } adapter->wol_cap = resp->wol_settings; } err: mutex_unlock(&adapter->mbox_lock); pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma); return status; } int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter, struct be_dma_mem *cmd) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_ext_fat_caps *req; int status; if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd->va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_EXT_FAT_CAPABILITES, cmd->size, wrb, cmd); req->parameter_type = cpu_to_le32(1); status = be_mbox_notify_wait(adapter); err: mutex_unlock(&adapter->mbox_lock); return status; } int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter, struct be_dma_mem *cmd, struct be_fat_conf_params *configs) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_ext_fat_caps *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd->va; memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params)); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_EXT_FAT_CAPABILITES, cmd->size, wrb, cmd); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_query_port_name(struct be_adapter *adapter, u8 *port_name) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_port_name *req; int status; if (!lancer_chip(adapter)) { *port_name = adapter->hba_port_num + '0'; return 0; } spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb, NULL); req->hdr.version = 1; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb); *port_name = resp->port_name[adapter->hba_port_num]; } else { *port_name = adapter->hba_port_num + '0'; } err: spin_unlock_bh(&adapter->mcc_lock); return status; } static struct be_nic_resource_desc *be_get_nic_desc(u8 *buf, u32 desc_count, u32 max_buf_size) { struct be_nic_resource_desc *desc = (struct be_nic_resource_desc *)buf; int i; for (i = 0; i < desc_count; i++) { desc->desc_len = RESOURCE_DESC_SIZE; if (((void *)desc + desc->desc_len) > (void *)(buf + max_buf_size)) { desc = NULL; break; } if (desc->desc_type == NIC_RESOURCE_DESC_TYPE_ID) break; desc = (void *)desc + desc->desc_len; } if (!desc || i == MAX_RESOURCE_DESC) return NULL; return desc; } /* Uses Mbox */ int be_cmd_get_func_config(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_func_config *req; int status; struct be_dma_mem cmd; memset(&cmd, 0, sizeof(struct be_dma_mem)); cmd.size = sizeof(struct be_cmd_resp_get_func_config); cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma); if (!cmd.va) { dev_err(&adapter->pdev->dev, "Memory alloc failure\n"); return -ENOMEM; } if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; wrb = wrb_from_mbox(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_FUNC_CONFIG, cmd.size, wrb, &cmd); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_func_config *resp = cmd.va; u32 desc_count = le32_to_cpu(resp->desc_count); struct be_nic_resource_desc *desc; desc = be_get_nic_desc(resp->func_param, desc_count, sizeof(resp->func_param)); if (!desc) { status = -EINVAL; goto err; } adapter->pf_number = desc->pf_num; adapter->max_pmac_cnt = le16_to_cpu(desc->unicast_mac_count); adapter->max_vlans = le16_to_cpu(desc->vlan_count); adapter->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count); adapter->max_tx_queues = le16_to_cpu(desc->txq_count); adapter->max_rss_queues = le16_to_cpu(desc->rssq_count); adapter->max_rx_queues = le16_to_cpu(desc->rq_count); adapter->max_event_queues = le16_to_cpu(desc->eq_count); adapter->if_cap_flags = le32_to_cpu(desc->cap_flags); } err: mutex_unlock(&adapter->mbox_lock); pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma); return status; } /* Uses sync mcc */ int be_cmd_get_profile_config(struct be_adapter *adapter, u32 *cap_flags, u8 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_profile_config *req; int status; struct be_dma_mem cmd; memset(&cmd, 0, sizeof(struct be_dma_mem)); cmd.size = sizeof(struct be_cmd_resp_get_profile_config); cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma); if (!cmd.va) { dev_err(&adapter->pdev->dev, "Memory alloc failure\n"); return -ENOMEM; } spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd.va; be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_PROFILE_CONFIG, cmd.size, wrb, &cmd); req->type = ACTIVE_PROFILE_TYPE; req->hdr.domain = domain; status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_profile_config *resp = cmd.va; u32 desc_count = le32_to_cpu(resp->desc_count); struct be_nic_resource_desc *desc; desc = be_get_nic_desc(resp->func_param, desc_count, sizeof(resp->func_param)); if (!desc) { status = -EINVAL; goto err; } *cap_flags = le32_to_cpu(desc->cap_flags); } err: spin_unlock_bh(&adapter->mcc_lock); pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma); return status; } /* Uses sync mcc */ int be_cmd_set_profile_config(struct be_adapter *adapter, u32 bps, u8 domain) { struct be_mcc_wrb *wrb; struct be_cmd_req_set_profile_config *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_PROFILE_CONFIG, sizeof(*req), wrb, NULL); req->hdr.domain = domain; req->desc_count = cpu_to_le32(1); req->nic_desc.desc_type = NIC_RESOURCE_DESC_TYPE_ID; req->nic_desc.desc_len = RESOURCE_DESC_SIZE; req->nic_desc.flags = (1 << QUN) | (1 << IMM) | (1 << NOSV); req->nic_desc.pf_num = adapter->pf_number; req->nic_desc.vf_num = domain; /* Mark fields invalid */ req->nic_desc.unicast_mac_count = 0xFFFF; req->nic_desc.mcc_count = 0xFFFF; req->nic_desc.vlan_count = 0xFFFF; req->nic_desc.mcast_mac_count = 0xFFFF; req->nic_desc.txq_count = 0xFFFF; req->nic_desc.rq_count = 0xFFFF; req->nic_desc.rssq_count = 0xFFFF; req->nic_desc.lro_count = 0xFFFF; req->nic_desc.cq_count = 0xFFFF; req->nic_desc.toe_conn_count = 0xFFFF; req->nic_desc.eq_count = 0xFFFF; req->nic_desc.link_param = 0xFF; req->nic_desc.bw_min = 0xFFFFFFFF; req->nic_desc.acpi_params = 0xFF; req->nic_desc.wol_param = 0x0F; /* Change BW */ req->nic_desc.bw_min = cpu_to_le32(bps); req->nic_desc.bw_max = cpu_to_le32(bps); status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg, int vf_num) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_iface_list *req; struct be_cmd_resp_get_iface_list *resp; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp), wrb, NULL); req->hdr.domain = vf_num + 1; status = be_mcc_notify_wait(adapter); if (!status) { resp = (struct be_cmd_resp_get_iface_list *)req; vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id); } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses sync mcc */ int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain) { struct be_mcc_wrb *wrb; struct be_cmd_enable_disable_vf *req; int status; if (!lancer_chip(adapter)) return 0; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req), wrb, NULL); req->hdr.domain = domain; req->enable = 1; status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload, int wrb_payload_size, u16 *cmd_status, u16 *ext_status) { struct be_adapter *adapter = netdev_priv(netdev_handle); struct be_mcc_wrb *wrb; struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *) wrb_payload; struct be_cmd_req_hdr *req; struct be_cmd_resp_hdr *resp; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); resp = embedded_payload(wrb); be_wrb_cmd_hdr_prepare(req, hdr->subsystem, hdr->opcode, wrb_payload_size, wrb, NULL); memcpy(req, wrb_payload, wrb_payload_size); be_dws_cpu_to_le(req, wrb_payload_size); status = be_mcc_notify_wait(adapter); if (cmd_status) *cmd_status = (status & 0xffff); if (ext_status) *ext_status = 0; memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length); be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length); err: spin_unlock_bh(&adapter->mcc_lock); return status; } EXPORT_SYMBOL(be_roce_mcc_cmd);