/* QLogic qed NIC Driver * Copyright (c) 2015 QLogic Corporation * * This software is available under the terms of the GNU General Public License * (GPL) Version 2, available from the file COPYING in the main directory of * this source tree. */ #include #include #include #include #include #include #include #include #include "qed.h" #include "qed_hsi.h" #include "qed_hw.h" #include "qed_mcp.h" #include "qed_reg_addr.h" #define CHIP_MCP_RESP_ITER_US 10 #define QED_DRV_MB_MAX_RETRIES (500 * 1000) /* Account for 5 sec */ #define QED_MCP_RESET_RETRIES (50 * 1000) /* Account for 500 msec */ #define DRV_INNER_WR(_p_hwfn, _p_ptt, _ptr, _offset, _val) \ qed_wr(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset), \ _val) #define DRV_INNER_RD(_p_hwfn, _p_ptt, _ptr, _offset) \ qed_rd(_p_hwfn, _p_ptt, (_p_hwfn->mcp_info->_ptr + _offset)) #define DRV_MB_WR(_p_hwfn, _p_ptt, _field, _val) \ DRV_INNER_WR(p_hwfn, _p_ptt, drv_mb_addr, \ offsetof(struct public_drv_mb, _field), _val) #define DRV_MB_RD(_p_hwfn, _p_ptt, _field) \ DRV_INNER_RD(_p_hwfn, _p_ptt, drv_mb_addr, \ offsetof(struct public_drv_mb, _field)) #define PDA_COMP (((FW_MAJOR_VERSION) + (FW_MINOR_VERSION << 8)) << \ DRV_ID_PDA_COMP_VER_SHIFT) #define MCP_BYTES_PER_MBIT_SHIFT 17 bool qed_mcp_is_init(struct qed_hwfn *p_hwfn) { if (!p_hwfn->mcp_info || !p_hwfn->mcp_info->public_base) return false; return true; } void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_PORT); u32 mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, addr); p_hwfn->mcp_info->port_addr = SECTION_ADDR(mfw_mb_offsize, MFW_PORT(p_hwfn)); DP_VERBOSE(p_hwfn, QED_MSG_SP, "port_addr = 0x%x, port_id 0x%02x\n", p_hwfn->mcp_info->port_addr, MFW_PORT(p_hwfn)); } void qed_mcp_read_mb(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 length = MFW_DRV_MSG_MAX_DWORDS(p_hwfn->mcp_info->mfw_mb_length); u32 tmp, i; if (!p_hwfn->mcp_info->public_base) return; for (i = 0; i < length; i++) { tmp = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->mfw_mb_addr + (i << 2) + sizeof(u32)); /* The MB data is actually BE; Need to force it to cpu */ ((u32 *)p_hwfn->mcp_info->mfw_mb_cur)[i] = be32_to_cpu((__force __be32)tmp); } } int qed_mcp_free(struct qed_hwfn *p_hwfn) { if (p_hwfn->mcp_info) { kfree(p_hwfn->mcp_info->mfw_mb_cur); kfree(p_hwfn->mcp_info->mfw_mb_shadow); } kfree(p_hwfn->mcp_info); return 0; } static int qed_load_mcp_offsets(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_info *p_info = p_hwfn->mcp_info; u32 drv_mb_offsize, mfw_mb_offsize; u32 mcp_pf_id = MCP_PF_ID(p_hwfn); p_info->public_base = qed_rd(p_hwfn, p_ptt, MISC_REG_SHARED_MEM_ADDR); if (!p_info->public_base) return 0; p_info->public_base |= GRCBASE_MCP; /* Calculate the driver and MFW mailbox address */ drv_mb_offsize = qed_rd(p_hwfn, p_ptt, SECTION_OFFSIZE_ADDR(p_info->public_base, PUBLIC_DRV_MB)); p_info->drv_mb_addr = SECTION_ADDR(drv_mb_offsize, mcp_pf_id); DP_VERBOSE(p_hwfn, QED_MSG_SP, "drv_mb_offsiz = 0x%x, drv_mb_addr = 0x%x mcp_pf_id = 0x%x\n", drv_mb_offsize, p_info->drv_mb_addr, mcp_pf_id); /* Set the MFW MB address */ mfw_mb_offsize = qed_rd(p_hwfn, p_ptt, SECTION_OFFSIZE_ADDR(p_info->public_base, PUBLIC_MFW_MB)); p_info->mfw_mb_addr = SECTION_ADDR(mfw_mb_offsize, mcp_pf_id); p_info->mfw_mb_length = (u16)qed_rd(p_hwfn, p_ptt, p_info->mfw_mb_addr); /* Get the current driver mailbox sequence before sending * the first command */ p_info->drv_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK; /* Get current FW pulse sequence */ p_info->drv_pulse_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_pulse_mb) & DRV_PULSE_SEQ_MASK; p_info->mcp_hist = (u16)qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); return 0; } int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_info *p_info; u32 size; /* Allocate mcp_info structure */ p_hwfn->mcp_info = kzalloc(sizeof(*p_hwfn->mcp_info), GFP_ATOMIC); if (!p_hwfn->mcp_info) goto err; p_info = p_hwfn->mcp_info; if (qed_load_mcp_offsets(p_hwfn, p_ptt) != 0) { DP_NOTICE(p_hwfn, "MCP is not initialized\n"); /* Do not free mcp_info here, since public_base indicate that * the MCP is not initialized */ return 0; } size = MFW_DRV_MSG_MAX_DWORDS(p_info->mfw_mb_length) * sizeof(u32); p_info->mfw_mb_cur = kzalloc(size, GFP_ATOMIC); p_info->mfw_mb_shadow = kzalloc(sizeof(u32) * MFW_DRV_MSG_MAX_DWORDS( p_info->mfw_mb_length), GFP_ATOMIC); if (!p_info->mfw_mb_shadow || !p_info->mfw_mb_addr) goto err; /* Initialize the MFW mutex */ mutex_init(&p_info->mutex); return 0; err: DP_NOTICE(p_hwfn, "Failed to allocate mcp memory\n"); qed_mcp_free(p_hwfn); return -ENOMEM; } int qed_mcp_reset(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 seq = ++p_hwfn->mcp_info->drv_mb_seq; u8 delay = CHIP_MCP_RESP_ITER_US; u32 org_mcp_reset_seq, cnt = 0; int rc = 0; /* Set drv command along with the updated sequence */ org_mcp_reset_seq = qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0); DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (DRV_MSG_CODE_MCP_RESET | seq)); do { /* Wait for MFW response */ udelay(delay); /* Give the FW up to 500 second (50*1000*10usec) */ } while ((org_mcp_reset_seq == qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) && (cnt++ < QED_MCP_RESET_RETRIES)); if (org_mcp_reset_seq != qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "MCP was reset after %d usec\n", cnt * delay); } else { DP_ERR(p_hwfn, "Failed to reset MCP\n"); rc = -EAGAIN; } return rc; } static int qed_do_mcp_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param) { u8 delay = CHIP_MCP_RESP_ITER_US; u32 seq, cnt = 1, actual_mb_seq; int rc = 0; /* Get actual driver mailbox sequence */ actual_mb_seq = DRV_MB_RD(p_hwfn, p_ptt, drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK; /* Use MCP history register to check if MCP reset occurred between * init time and now. */ if (p_hwfn->mcp_info->mcp_hist != qed_rd(p_hwfn, p_ptt, MISCS_REG_GENERIC_POR_0)) { DP_VERBOSE(p_hwfn, QED_MSG_SP, "Rereading MCP offsets\n"); qed_load_mcp_offsets(p_hwfn, p_ptt); qed_mcp_cmd_port_init(p_hwfn, p_ptt); } seq = ++p_hwfn->mcp_info->drv_mb_seq; /* Set drv param */ DRV_MB_WR(p_hwfn, p_ptt, drv_mb_param, param); /* Set drv command along with the updated sequence */ DRV_MB_WR(p_hwfn, p_ptt, drv_mb_header, (cmd | seq)); DP_VERBOSE(p_hwfn, QED_MSG_SP, "wrote command (%x) to MFW MB param 0x%08x\n", (cmd | seq), param); do { /* Wait for MFW response */ udelay(delay); *o_mcp_resp = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_header); /* Give the FW up to 5 second (500*10ms) */ } while ((seq != (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < QED_DRV_MB_MAX_RETRIES)); DP_VERBOSE(p_hwfn, QED_MSG_SP, "[after %d ms] read (%x) seq is (%x) from FW MB\n", cnt * delay, *o_mcp_resp, seq); /* Is this a reply to our command? */ if (seq == (*o_mcp_resp & FW_MSG_SEQ_NUMBER_MASK)) { *o_mcp_resp &= FW_MSG_CODE_MASK; /* Get the MCP param */ *o_mcp_param = DRV_MB_RD(p_hwfn, p_ptt, fw_mb_param); } else { /* FW BUG! */ DP_ERR(p_hwfn, "MFW failed to respond!\n"); *o_mcp_resp = 0; rc = -EAGAIN; } return rc; } int qed_mcp_cmd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 cmd, u32 param, u32 *o_mcp_resp, u32 *o_mcp_param) { int rc = 0; /* MCP not initialized */ if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); return -EBUSY; } /* Lock Mutex to ensure only single thread is * accessing the MCP at one time */ mutex_lock(&p_hwfn->mcp_info->mutex); rc = qed_do_mcp_cmd(p_hwfn, p_ptt, cmd, param, o_mcp_resp, o_mcp_param); /* Release Mutex */ mutex_unlock(&p_hwfn->mcp_info->mutex); return rc; } static void qed_mcp_set_drv_ver(struct qed_dev *cdev, struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 i; /* Copy version string to MCP */ for (i = 0; i < MCP_DRV_VER_STR_SIZE_DWORD; i++) DRV_MB_WR(p_hwfn, p_ptt, union_data.ver_str[i], *(u32 *)&cdev->ver_str[i * sizeof(u32)]); } int qed_mcp_load_req(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_load_code) { struct qed_dev *cdev = p_hwfn->cdev; u32 param; int rc; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); return -EBUSY; } /* Save driver's version to shmem */ qed_mcp_set_drv_ver(cdev, p_hwfn, p_ptt); DP_VERBOSE(p_hwfn, QED_MSG_SP, "fw_seq 0x%08x, drv_pulse 0x%x\n", p_hwfn->mcp_info->drv_mb_seq, p_hwfn->mcp_info->drv_pulse_seq); /* Load Request */ rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_LOAD_REQ, (PDA_COMP | DRV_ID_MCP_HSI_VER_CURRENT | cdev->drv_type), p_load_code, ¶m); /* if mcp fails to respond we must abort */ if (rc) { DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } /* If MFW refused (e.g. other port is in diagnostic mode) we * must abort. This can happen in the following cases: * - Other port is in diagnostic mode * - Previously loaded function on the engine is not compliant with * the requester. * - MFW cannot cope with the requester's DRV_MFW_HSI_VERSION. * - */ if (!(*p_load_code) || ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_HSI) || ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_PDA) || ((*p_load_code) == FW_MSG_CODE_DRV_LOAD_REFUSED_DIAG)) { DP_ERR(p_hwfn, "MCP refused load request, aborting\n"); return -EBUSY; } return 0; } static void qed_mcp_handle_link_change(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_reset) { struct qed_mcp_link_state *p_link; u32 status = 0; p_link = &p_hwfn->mcp_info->link_output; memset(p_link, 0, sizeof(*p_link)); if (!b_reset) { status = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, link_status)); DP_VERBOSE(p_hwfn, (NETIF_MSG_LINK | QED_MSG_SP), "Received link update [0x%08x] from mfw [Addr 0x%x]\n", status, (u32)(p_hwfn->mcp_info->port_addr + offsetof(struct public_port, link_status))); } else { DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link indications\n"); return; } p_link->link_up = !!(status & LINK_STATUS_LINK_UP); p_link->full_duplex = true; switch ((status & LINK_STATUS_SPEED_AND_DUPLEX_MASK)) { case LINK_STATUS_SPEED_AND_DUPLEX_100G: p_link->speed = 100000; break; case LINK_STATUS_SPEED_AND_DUPLEX_50G: p_link->speed = 50000; break; case LINK_STATUS_SPEED_AND_DUPLEX_40G: p_link->speed = 40000; break; case LINK_STATUS_SPEED_AND_DUPLEX_25G: p_link->speed = 25000; break; case LINK_STATUS_SPEED_AND_DUPLEX_20G: p_link->speed = 20000; break; case LINK_STATUS_SPEED_AND_DUPLEX_10G: p_link->speed = 10000; break; case LINK_STATUS_SPEED_AND_DUPLEX_1000THD: p_link->full_duplex = false; /* Fall-through */ case LINK_STATUS_SPEED_AND_DUPLEX_1000TFD: p_link->speed = 1000; break; default: p_link->speed = 0; p_link->link_up = 0; } /* Correct speed according to bandwidth allocation */ if (p_hwfn->mcp_info->func_info.bandwidth_max && p_link->speed) { p_link->speed = p_link->speed * p_hwfn->mcp_info->func_info.bandwidth_max / 100; qed_init_pf_rl(p_hwfn, p_ptt, p_hwfn->rel_pf_id, p_link->speed); DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Configured MAX bandwidth to be %08x Mb/sec\n", p_link->speed); } p_link->an = !!(status & LINK_STATUS_AUTO_NEGOTIATE_ENABLED); p_link->an_complete = !!(status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE); p_link->parallel_detection = !!(status & LINK_STATUS_PARALLEL_DETECTION_USED); p_link->pfc_enabled = !!(status & LINK_STATUS_PFC_ENABLED); p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) ? QED_LINK_PARTNER_SPEED_1G_FD : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE) ? QED_LINK_PARTNER_SPEED_1G_HD : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_10G_CAPABLE) ? QED_LINK_PARTNER_SPEED_10G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_20G_CAPABLE) ? QED_LINK_PARTNER_SPEED_20G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_40G_CAPABLE) ? QED_LINK_PARTNER_SPEED_40G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_50G_CAPABLE) ? QED_LINK_PARTNER_SPEED_50G : 0; p_link->partner_adv_speed |= (status & LINK_STATUS_LINK_PARTNER_100G_CAPABLE) ? QED_LINK_PARTNER_SPEED_100G : 0; p_link->partner_tx_flow_ctrl_en = !!(status & LINK_STATUS_TX_FLOW_CONTROL_ENABLED); p_link->partner_rx_flow_ctrl_en = !!(status & LINK_STATUS_RX_FLOW_CONTROL_ENABLED); switch (status & LINK_STATUS_LINK_PARTNER_FLOW_CONTROL_MASK) { case LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE: p_link->partner_adv_pause = QED_LINK_PARTNER_SYMMETRIC_PAUSE; break; case LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE: p_link->partner_adv_pause = QED_LINK_PARTNER_ASYMMETRIC_PAUSE; break; case LINK_STATUS_LINK_PARTNER_BOTH_PAUSE: p_link->partner_adv_pause = QED_LINK_PARTNER_BOTH_PAUSE; break; default: p_link->partner_adv_pause = 0; } p_link->sfp_tx_fault = !!(status & LINK_STATUS_SFP_TX_FAULT); qed_link_update(p_hwfn); } int qed_mcp_set_link(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool b_up) { struct qed_mcp_link_params *params = &p_hwfn->mcp_info->link_input; u32 param = 0, reply = 0, cmd; struct pmm_phy_cfg phy_cfg; int rc = 0; u32 i; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); return -EBUSY; } /* Set the shmem configuration according to params */ memset(&phy_cfg, 0, sizeof(phy_cfg)); cmd = b_up ? DRV_MSG_CODE_INIT_PHY : DRV_MSG_CODE_LINK_RESET; if (!params->speed.autoneg) phy_cfg.speed = params->speed.forced_speed; phy_cfg.pause |= (params->pause.autoneg) ? PMM_PAUSE_AUTONEG : 0; phy_cfg.pause |= (params->pause.forced_rx) ? PMM_PAUSE_RX : 0; phy_cfg.pause |= (params->pause.forced_tx) ? PMM_PAUSE_TX : 0; phy_cfg.adv_speed = params->speed.advertised_speeds; phy_cfg.loopback_mode = params->loopback_mode; /* Write the requested configuration to shmem */ for (i = 0; i < sizeof(phy_cfg); i += 4) qed_wr(p_hwfn, p_ptt, p_hwfn->mcp_info->drv_mb_addr + offsetof(struct public_drv_mb, union_data) + i, ((u32 *)&phy_cfg)[i >> 2]); if (b_up) { DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Configuring Link: Speed 0x%08x, Pause 0x%08x, adv_speed 0x%08x, loopback 0x%08x, features 0x%08x\n", phy_cfg.speed, phy_cfg.pause, phy_cfg.adv_speed, phy_cfg.loopback_mode, phy_cfg.feature_config_flags); } else { DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Resetting link\n"); } DP_VERBOSE(p_hwfn, QED_MSG_SP, "fw_seq 0x%08x, drv_pulse 0x%x\n", p_hwfn->mcp_info->drv_mb_seq, p_hwfn->mcp_info->drv_pulse_seq); /* Load Request */ rc = qed_mcp_cmd(p_hwfn, p_ptt, cmd, 0, &reply, ¶m); /* if mcp fails to respond we must abort */ if (rc) { DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } /* Reset the link status if needed */ if (!b_up) qed_mcp_handle_link_change(p_hwfn, p_ptt, true); return 0; } int qed_mcp_handle_events(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_info *info = p_hwfn->mcp_info; int rc = 0; bool found = false; u16 i; DP_VERBOSE(p_hwfn, QED_MSG_SP, "Received message from MFW\n"); /* Read Messages from MFW */ qed_mcp_read_mb(p_hwfn, p_ptt); /* Compare current messages to old ones */ for (i = 0; i < info->mfw_mb_length; i++) { if (info->mfw_mb_cur[i] == info->mfw_mb_shadow[i]) continue; found = true; DP_VERBOSE(p_hwfn, NETIF_MSG_LINK, "Msg [%d] - old CMD 0x%02x, new CMD 0x%02x\n", i, info->mfw_mb_shadow[i], info->mfw_mb_cur[i]); switch (i) { case MFW_DRV_MSG_LINK_CHANGE: qed_mcp_handle_link_change(p_hwfn, p_ptt, false); break; default: DP_NOTICE(p_hwfn, "Unimplemented MFW message %d\n", i); rc = -EINVAL; } } /* ACK everything */ for (i = 0; i < MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length); i++) { __be32 val = cpu_to_be32(((u32 *)info->mfw_mb_cur)[i]); /* MFW expect answer in BE, so we force write in that format */ qed_wr(p_hwfn, p_ptt, info->mfw_mb_addr + sizeof(u32) + MFW_DRV_MSG_MAX_DWORDS(info->mfw_mb_length) * sizeof(u32) + i * sizeof(u32), (__force u32)val); } if (!found) { DP_NOTICE(p_hwfn, "Received an MFW message indication but no new message!\n"); rc = -EINVAL; } /* Copy the new mfw messages into the shadow */ memcpy(info->mfw_mb_shadow, info->mfw_mb_cur, info->mfw_mb_length); return rc; } int qed_mcp_get_mfw_ver(struct qed_dev *cdev, u32 *p_mfw_ver) { struct qed_hwfn *p_hwfn = &cdev->hwfns[0]; struct qed_ptt *p_ptt; u32 global_offsize; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; global_offsize = qed_rd(p_hwfn, p_ptt, SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info-> public_base, PUBLIC_GLOBAL)); *p_mfw_ver = qed_rd(p_hwfn, p_ptt, SECTION_ADDR(global_offsize, 0) + offsetof(struct public_global, mfw_ver)); qed_ptt_release(p_hwfn, p_ptt); return 0; } int qed_mcp_get_media_type(struct qed_dev *cdev, u32 *p_media_type) { struct qed_hwfn *p_hwfn = &cdev->hwfns[0]; struct qed_ptt *p_ptt; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); return -EBUSY; } *p_media_type = MEDIA_UNSPECIFIED; p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; *p_media_type = qed_rd(p_hwfn, p_ptt, p_hwfn->mcp_info->port_addr + offsetof(struct public_port, media_type)); qed_ptt_release(p_hwfn, p_ptt); return 0; } static u32 qed_mcp_get_shmem_func(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct public_func *p_data, int pfid) { u32 addr = SECTION_OFFSIZE_ADDR(p_hwfn->mcp_info->public_base, PUBLIC_FUNC); u32 mfw_path_offsize = qed_rd(p_hwfn, p_ptt, addr); u32 func_addr = SECTION_ADDR(mfw_path_offsize, pfid); u32 i, size; memset(p_data, 0, sizeof(*p_data)); size = min_t(u32, sizeof(*p_data), QED_SECTION_SIZE(mfw_path_offsize)); for (i = 0; i < size / sizeof(u32); i++) ((u32 *)p_data)[i] = qed_rd(p_hwfn, p_ptt, func_addr + (i << 2)); return size; } static int qed_mcp_get_shmem_proto(struct qed_hwfn *p_hwfn, struct public_func *p_info, enum qed_pci_personality *p_proto) { int rc = 0; switch (p_info->config & FUNC_MF_CFG_PROTOCOL_MASK) { case FUNC_MF_CFG_PROTOCOL_ETHERNET: *p_proto = QED_PCI_ETH; break; default: rc = -EINVAL; } return rc; } int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { struct qed_mcp_function_info *info; struct public_func shmem_info; qed_mcp_get_shmem_func(p_hwfn, p_ptt, &shmem_info, MCP_PF_ID(p_hwfn)); info = &p_hwfn->mcp_info->func_info; info->pause_on_host = (shmem_info.config & FUNC_MF_CFG_PAUSE_ON_HOST_RING) ? 1 : 0; if (qed_mcp_get_shmem_proto(p_hwfn, &shmem_info, &info->protocol)) { DP_ERR(p_hwfn, "Unknown personality %08x\n", (u32)(shmem_info.config & FUNC_MF_CFG_PROTOCOL_MASK)); return -EINVAL; } if (p_hwfn->cdev->mf_mode != SF) { info->bandwidth_min = (shmem_info.config & FUNC_MF_CFG_MIN_BW_MASK) >> FUNC_MF_CFG_MIN_BW_SHIFT; if (info->bandwidth_min < 1 || info->bandwidth_min > 100) { DP_INFO(p_hwfn, "bandwidth minimum out of bounds [%02x]. Set to 1\n", info->bandwidth_min); info->bandwidth_min = 1; } info->bandwidth_max = (shmem_info.config & FUNC_MF_CFG_MAX_BW_MASK) >> FUNC_MF_CFG_MAX_BW_SHIFT; if (info->bandwidth_max < 1 || info->bandwidth_max > 100) { DP_INFO(p_hwfn, "bandwidth maximum out of bounds [%02x]. Set to 100\n", info->bandwidth_max); info->bandwidth_max = 100; } } if (shmem_info.mac_upper || shmem_info.mac_lower) { info->mac[0] = (u8)(shmem_info.mac_upper >> 8); info->mac[1] = (u8)(shmem_info.mac_upper); info->mac[2] = (u8)(shmem_info.mac_lower >> 24); info->mac[3] = (u8)(shmem_info.mac_lower >> 16); info->mac[4] = (u8)(shmem_info.mac_lower >> 8); info->mac[5] = (u8)(shmem_info.mac_lower); } else { DP_NOTICE(p_hwfn, "MAC is 0 in shmem\n"); } info->wwn_port = (u64)shmem_info.fcoe_wwn_port_name_upper | (((u64)shmem_info.fcoe_wwn_port_name_lower) << 32); info->wwn_node = (u64)shmem_info.fcoe_wwn_node_name_upper | (((u64)shmem_info.fcoe_wwn_node_name_lower) << 32); info->ovlan = (u16)(shmem_info.ovlan_stag & FUNC_MF_CFG_OV_STAG_MASK); DP_VERBOSE(p_hwfn, (QED_MSG_SP | NETIF_MSG_IFUP), "Read configuration from shmem: pause_on_host %02x protocol %02x BW [%02x - %02x] MAC %02x:%02x:%02x:%02x:%02x:%02x wwn port %llx node %llx ovlan %04x\n", info->pause_on_host, info->protocol, info->bandwidth_min, info->bandwidth_max, info->mac[0], info->mac[1], info->mac[2], info->mac[3], info->mac[4], info->mac[5], info->wwn_port, info->wwn_node, info->ovlan); return 0; } struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *p_hwfn) { if (!p_hwfn || !p_hwfn->mcp_info) return NULL; return &p_hwfn->mcp_info->link_input; } struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *p_hwfn) { if (!p_hwfn || !p_hwfn->mcp_info) return NULL; return &p_hwfn->mcp_info->link_output; } struct qed_mcp_link_capabilities *qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn) { if (!p_hwfn || !p_hwfn->mcp_info) return NULL; return &p_hwfn->mcp_info->link_capabilities; } int qed_mcp_drain(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) { u32 resp = 0, param = 0; int rc; rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_NIG_DRAIN, 100, &resp, ¶m); /* Wait for the drain to complete before returning */ msleep(120); return rc; } int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 *p_flash_size) { u32 flash_size; flash_size = qed_rd(p_hwfn, p_ptt, MCP_REG_NVM_CFG4); flash_size = (flash_size & MCP_REG_NVM_CFG4_FLASH_SIZE) >> MCP_REG_NVM_CFG4_FLASH_SIZE_SHIFT; flash_size = (1 << (flash_size + MCP_BYTES_PER_MBIT_SHIFT)); *p_flash_size = flash_size; return 0; } int qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, struct qed_mcp_drv_version *p_ver) { int rc = 0; u32 param = 0, reply = 0, i; if (!qed_mcp_is_init(p_hwfn)) { DP_NOTICE(p_hwfn, "MFW is not initialized !\n"); return -EBUSY; } DRV_MB_WR(p_hwfn, p_ptt, union_data.drv_version.version, p_ver->version); /* Copy version string to shmem */ for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / 4; i++) { DRV_MB_WR(p_hwfn, p_ptt, union_data.drv_version.name[i * sizeof(u32)], *(u32 *)&p_ver->name[i * sizeof(u32)]); } rc = qed_mcp_cmd(p_hwfn, p_ptt, DRV_MSG_CODE_SET_VERSION, 0, &reply, ¶m); if (rc) { DP_ERR(p_hwfn, "MCP response failure, aborting\n"); return rc; } return 0; }