/* * Copyright (C) 2005 - 2009 ServerEngines * 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@serverengines.com * * ServerEngines * 209 N. Fair Oaks Ave * Sunnyvale, CA 94085 */ #include "be.h" #include "be_cmds.h" static void be_mcc_notify(struct be_adapter *adapter) { struct be_queue_info *mccq = &adapter->mcc_obj.q; u32 val = 0; val |= mccq->id & DB_MCCQ_RING_ID_MASK; val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT; 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) { if (compl->flags != 0) { compl->flags = le32_to_cpu(compl->flags); BUG_ON((compl->flags & CQE_FLAGS_VALID_MASK) == 0); return true; } else { 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 int be_mcc_compl_process(struct be_adapter *adapter, struct be_mcc_compl *compl) { u16 compl_status, extd_status; /* 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; if (compl_status == MCC_STATUS_SUCCESS) { if (compl->tag0 == OPCODE_ETH_GET_STATISTICS) { struct be_cmd_resp_get_stats *resp = adapter->stats.cmd.va; be_dws_le_to_cpu(&resp->hw_stats, sizeof(resp->hw_stats)); netdev_stats_update(adapter); } } else if (compl_status != MCC_STATUS_NOT_SUPPORTED) { extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) & CQE_STATUS_EXTD_MASK; dev_warn(&adapter->pdev->dev, "Error in cmd completion - opcode %d, compl %d, extd %d\n", compl->tag0, compl_status, extd_status); } 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) { be_link_status_update(adapter, evt->port_link_status == ASYNC_EVENT_LINK_UP); } 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 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; } int be_process_mcc(struct be_adapter *adapter) { struct be_mcc_compl *compl; int num = 0, status = 0; spin_lock_bh(&adapter->mcc_cq_lock); while ((compl = be_mcc_compl_get(adapter))) { if (compl->flags & CQE_FLAGS_ASYNC_MASK) { /* Interpret flags as an async trailer */ BUG_ON(!is_link_state_evt(compl->flags)); /* Interpret compl as a async link evt */ be_async_link_state_process(adapter, (struct be_async_event_link_state *) compl); } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) { status = be_mcc_compl_process(adapter, compl); atomic_dec(&adapter->mcc_obj.q.used); } be_mcc_compl_use(compl); num++; } if (num) be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, num); spin_unlock_bh(&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; for (i = 0; i < mcc_timeout; i++) { status = be_process_mcc(adapter); if (status) return status; if (atomic_read(&adapter->mcc_obj.q.used) == 0) break; udelay(100); } if (i == mcc_timeout) { dev_err(&adapter->pdev->dev, "mccq poll timed out\n"); return -1; } return 0; } /* Notify MCC requests and wait for completion */ static int be_mcc_notify_wait(struct be_adapter *adapter) { be_mcc_notify(adapter); return be_mcc_wait_compl(adapter); } static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) { int cnt = 0, wait = 5; u32 ready; do { ready = ioread32(db) & MPU_MAILBOX_DB_RDY_MASK; if (ready) break; if (cnt > 4000000) { dev_err(&adapter->pdev->dev, "mbox poll timed out\n"); return -1; } if (cnt > 50) wait = 200; cnt += wait; udelay(wait); } 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; 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 int be_POST_stage_get(struct be_adapter *adapter, u16 *stage) { u32 sem = ioread32(adapter->csr + MPU_EP_SEMAPHORE_OFFSET); *stage = sem & EP_SEMAPHORE_POST_STAGE_MASK; if ((sem >> EP_SEMAPHORE_POST_ERR_SHIFT) & EP_SEMAPHORE_POST_ERR_MASK) return -1; else return 0; } int be_cmd_POST(struct be_adapter *adapter) { u16 stage; int status, timeout = 0; do { status = be_POST_stage_get(adapter, &stage); if (status) { dev_err(&adapter->pdev->dev, "POST error; stage=0x%x\n", stage); return -1; } else if (stage != POST_STAGE_ARMFW_RDY) { set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(2 * HZ); timeout += 2; } else { return 0; } } while (timeout < 20); dev_err(&adapter->pdev->dev, "POST timeout; stage=0x%x\n", stage); return -1; } static inline void *embedded_payload(struct be_mcc_wrb *wrb) { return wrb->payload.embedded_payload; } 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 */ static void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len, bool embedded, u8 sge_cnt, u32 opcode) { if (embedded) wrb->embedded |= MCC_WRB_EMBEDDED_MASK; else wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) << MCC_WRB_SGE_CNT_SHIFT; wrb->payload_length = payload_len; wrb->tag0 = opcode; be_dws_cpu_to_le(wrb, 8); } /* Don't touch the hdr after it's prepared */ static void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr, u8 subsystem, u8 opcode, int cmd_len) { req_hdr->opcode = opcode; req_hdr->subsystem = subsystem; req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr)); } 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 (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; spin_lock(&adapter->mbox_lock); 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); spin_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; spin_lock(&adapter->mbox_lock); 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); spin_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; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_EQ_CREATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_EQ_CREATE, sizeof(*req)); req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); AMAP_SET_BITS(struct amap_eq_context, func, req->context, be_pci_func(adapter)); 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; } spin_unlock(&adapter->mbox_lock); return status; } /* Uses mbox */ int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr, u8 type, bool permanent, u32 if_handle) { struct be_mcc_wrb *wrb; struct be_cmd_req_mac_query *req; int status; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_MAC_QUERY); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req)); req->type = type; if (permanent) { req->permanent = 1; } else { req->if_id = cpu_to_le16((u16) if_handle); req->permanent = 0; } status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_mac_query *resp = embedded_payload(wrb); memcpy(mac_addr, resp->mac.addr, ETH_ALEN); } spin_unlock(&adapter->mbox_lock); return status; } /* Uses synchronous MCCQ */ int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr, u32 if_id, u32 *pmac_id) { 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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_PMAC_ADD); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req)); 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); return status; } /* Uses synchronous MCCQ */ int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, u32 pmac_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_pmac_del *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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_PMAC_DEL); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req)); 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 sol_evts, 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; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); ctxt = &req->context; be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_CQ_CREATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_CQ_CREATE, sizeof(*req)); req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size)); AMAP_SET_BITS(struct amap_cq_context, coalescwm, ctxt, coalesce_wm); AMAP_SET_BITS(struct amap_cq_context, nodelay, ctxt, no_delay); AMAP_SET_BITS(struct amap_cq_context, count, ctxt, __ilog2_u32(cq->len/256)); AMAP_SET_BITS(struct amap_cq_context, valid, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context, solevent, ctxt, sol_evts); AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id); AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1); AMAP_SET_BITS(struct amap_cq_context, func, ctxt, be_pci_func(adapter)); 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; } spin_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_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; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); ctxt = &req->context; be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_MCC_CREATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MCC_CREATE, sizeof(*req)); req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size); AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, be_pci_func(adapter)); AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1); AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt, be_encoded_q_len(mccq->len)); AMAP_SET_BITS(struct amap_mcc_context, 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; } spin_unlock(&adapter->mbox_lock); 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(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); ctxt = &req->context; be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_ETH_TX_CREATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_TX_CREATE, sizeof(*req)); 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, pci_func_id, ctxt, be_pci_func(adapter)); 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_mbox_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; } spin_unlock(&adapter->mbox_lock); return status; } /* Uses mbox */ int be_cmd_rxq_create(struct be_adapter *adapter, struct be_queue_info *rxq, u16 cq_id, u16 frag_size, u16 max_frame_size, u32 if_id, u32 rss) { 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(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_ETH_RX_CREATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_RX_CREATE, sizeof(*req)); 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(max_frame_size); req->rss_queue = cpu_to_le32(rss); status = be_mbox_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; } spin_unlock(&adapter->mbox_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; spin_lock(&adapter->mbox_lock); 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_hdr_prepare(wrb, sizeof(*req), true, 0, opcode); be_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req)); req->id = cpu_to_le16(q->id); status = be_mbox_notify_wait(adapter); spin_unlock(&adapter->mbox_lock); return status; } /* Create an rx filtering policy configuration on an i/f * Uses mbox */ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags, u8 *mac, bool pmac_invalid, u32 *if_handle, u32 *pmac_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_if_create *req; int status; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_INTERFACE_CREATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req)); req->capability_flags = cpu_to_le32(cap_flags); req->enable_flags = cpu_to_le32(en_flags); req->pmac_invalid = pmac_invalid; if (!pmac_invalid) memcpy(req->mac_addr, mac, ETH_ALEN); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_if_create *resp = embedded_payload(wrb); *if_handle = le32_to_cpu(resp->interface_id); if (!pmac_invalid) *pmac_id = le32_to_cpu(resp->pmac_id); } spin_unlock(&adapter->mbox_lock); return status; } /* Uses mbox */ int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id) { struct be_mcc_wrb *wrb; struct be_cmd_req_if_destroy *req; int status; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_INTERFACE_DESTROY); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req)); req->interface_id = cpu_to_le32(interface_id); status = be_mbox_notify_wait(adapter); spin_unlock(&adapter->mbox_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_get_stats *req; struct be_sge *sge; int status = 0; 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_hdr_prepare(wrb, sizeof(*req), false, 1, OPCODE_ETH_GET_STATISTICS); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_GET_STATISTICS, sizeof(*req)); sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); sge->len = cpu_to_le32(nonemb_cmd->size); be_mcc_notify(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses synchronous mcc */ int be_cmd_link_status_query(struct be_adapter *adapter, bool *link_up, u8 *mac_speed, u16 *link_speed) { struct be_mcc_wrb *wrb; struct be_cmd_req_link_status *req; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); *link_up = false; be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_LINK_STATUS_QUERY); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req)); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_link_status *resp = embedded_payload(wrb); if (resp->mac_speed != PHY_LINK_SPEED_ZERO) { *link_up = true; *link_speed = le16_to_cpu(resp->link_speed); *mac_speed = resp->mac_speed; } } err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* Uses Mbox */ int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_fw_version *req; int status; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_GET_FW_VERSION); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_FW_VERSION, sizeof(*req)); status = be_mbox_notify_wait(adapter); if (!status) { struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb); strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN); } spin_unlock(&adapter->mbox_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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_MODIFY_EQ_DELAY); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req)); 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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_NTWK_VLAN_CONFIG); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req)); 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; } /* Uses MCC for this command as it may be called in BH context * Uses synchronous mcc */ int be_cmd_promiscuous_config(struct be_adapter *adapter, u8 port_num, bool en) { struct be_mcc_wrb *wrb; struct be_cmd_req_promiscuous_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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_ETH_PROMISCUOUS); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_PROMISCUOUS, sizeof(*req)); if (port_num) req->port1_promiscuous = en; else req->port0_promiscuous = en; status = be_mcc_notify_wait(adapter); err: spin_unlock_bh(&adapter->mcc_lock); return status; } /* * Uses MCC for this command as it may be called in BH context * (mc == NULL) => multicast promiscous */ int be_cmd_multicast_set(struct be_adapter *adapter, u32 if_id, struct dev_mc_list *mc_list, u32 mc_count, struct be_dma_mem *mem) { struct be_mcc_wrb *wrb; struct be_cmd_req_mcast_mac_config *req = mem->va; struct be_sge *sge; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } sge = nonembedded_sgl(wrb); memset(req, 0, sizeof(*req)); be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1, OPCODE_COMMON_NTWK_MULTICAST_SET); 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); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_NTWK_MULTICAST_SET, sizeof(*req)); req->interface_id = if_id; if (mc_list) { int i; struct dev_mc_list *mc; req->num_mac = cpu_to_le16(mc_count); for (mc = mc_list, i = 0; mc; mc = mc->next, i++) memcpy(req->mac[i].byte, mc->dmi_addr, ETH_ALEN); } else { req->promiscuous = 1; } 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; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_SET_FLOW_CONTROL); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req)); 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; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_GET_FLOW_CONTROL); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req)); 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 *cap) { struct be_mcc_wrb *wrb; struct be_cmd_req_query_fw_cfg *req; int status; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_QUERY_FIRMWARE_CONFIG); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req)); 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); *cap = le32_to_cpu(resp->function_cap); } spin_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; spin_lock(&adapter->mbox_lock); wrb = wrb_from_mbox(adapter); req = embedded_payload(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_FUNCTION_RESET); be_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_FUNCTION_RESET, sizeof(*req)); status = be_mbox_notify_wait(adapter); spin_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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_ENABLE_DISABLE_BEACON); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req)); 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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_COMMON_GET_BEACON_STATE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req)); 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; } /* Uses sync mcc */ int be_cmd_read_port_type(struct be_adapter *adapter, u32 port, u8 *connector) { struct be_mcc_wrb *wrb; struct be_cmd_req_port_type *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_hdr_prepare(wrb, sizeof(struct be_cmd_resp_port_type), true, 0, OPCODE_COMMON_READ_TRANSRECV_DATA); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_READ_TRANSRECV_DATA, sizeof(*req)); req->port = cpu_to_le32(port); req->page_num = cpu_to_le32(TR_PAGE_A0); status = be_mcc_notify_wait(adapter); if (!status) { struct be_cmd_resp_port_type *resp = embedded_payload(wrb); *connector = resp->data.connector; } err: 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; struct be_sge *sge; int status; spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; goto err; } req = cmd->va; sge = nonembedded_sgl(wrb); be_wrb_hdr_prepare(wrb, cmd->size, false, 1, OPCODE_COMMON_WRITE_FLASHROM); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_WRITE_FLASHROM, cmd->size); sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma)); sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF); sge->len = cpu_to_le32(cmd->size); 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); status = be_mcc_notify_wait(adapter); err: 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_write_flashrom *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_hdr_prepare(wrb, sizeof(*req)+4, true, 0, OPCODE_COMMON_READ_FLASHROM); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_READ_FLASHROM, sizeof(*req)+4); req->params.op_type = cpu_to_le32(IMG_TYPE_REDBOOT); req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT); req->params.offset = offset; req->params.data_buf_size = 0x4; status = be_mcc_notify_wait(adapter); if (!status) memcpy(flashed_crc, req->params.data_buf, 4); err: spin_unlock_bh(&adapter->mcc_lock); return status; } extern 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; 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_hdr_prepare(wrb, sizeof(*req), false, 1, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req)); memcpy(req->magic_mac, mac, ETH_ALEN); sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); sge->len = cpu_to_le32(nonemb_cmd->size); 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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req)); 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_hdr_prepare(wrb, sizeof(*req), true, 0, OPCODE_LOWLEVEL_LOOPBACK_TEST); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req)); req->hdr.timeout = 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; struct be_sge *sge; 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; sge = nonembedded_sgl(wrb); be_wrb_hdr_prepare(wrb, cmd->size, false, 1, OPCODE_LOWLEVEL_HOST_DDR_DMA); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size); sge->pa_hi = cpu_to_le32(upper_32_bits(cmd->dma)); sge->pa_lo = cpu_to_le32(cmd->dma & 0xFFFFFFFF); sge->len = cpu_to_le32(cmd->size); 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; } extern 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); req = nonemb_cmd->va; sge = nonembedded_sgl(wrb); be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1, OPCODE_COMMON_SEEPROM_READ); be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, OPCODE_COMMON_SEEPROM_READ, sizeof(*req)); sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma)); sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF); sge->len = cpu_to_le32(nonemb_cmd->size); status = be_mcc_notify_wait(adapter); spin_unlock_bh(&adapter->mcc_lock); return status; }