| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Sony Chacko | 12735 | 58.31% | 8 | 6.90% |
| Manish Chopra | 2613 | 11.96% | 18 | 15.52% |
| Jitendra Kalsaria | 1928 | 8.83% | 13 | 11.21% |
| Himanshu Madhani | 1837 | 8.41% | 16 | 13.79% |
| Rajesh K Borundia | 1393 | 6.38% | 16 | 13.79% |
| Shahed Shaikh | 553 | 2.53% | 10 | 8.62% |
| Pratik Pujar | 281 | 1.29% | 3 | 2.59% |
| Sucheta Chakraborty | 190 | 0.87% | 13 | 11.21% |
| Stephen Hemminger | 150 | 0.69% | 1 | 0.86% |
| Philippe Reynes | 82 | 0.38% | 1 | 0.86% |
| Zhou Qingyang | 25 | 0.11% | 1 | 0.86% |
| Junxiao Bi | 9 | 0.04% | 1 | 0.86% |
| Dinghao Liu | 7 | 0.03% | 1 | 0.86% |
| Harish Patil | 7 | 0.03% | 1 | 0.86% |
| Fengguang Wu | 6 | 0.03% | 1 | 0.86% |
| Kees Cook | 4 | 0.02% | 1 | 0.86% |
| Qiushi Wu | 3 | 0.01% | 1 | 0.86% |
| Rashika Kheria | 3 | 0.01% | 1 | 0.86% |
| Masanari Iida | 2 | 0.01% | 2 | 1.72% |
| Wolfram Sang | 2 | 0.01% | 1 | 0.86% |
| Julia Lawall | 2 | 0.01% | 1 | 0.86% |
| Thomas Gleixner | 2 | 0.01% | 1 | 0.86% |
| Duoming Zhou | 2 | 0.01% | 1 | 0.86% |
| Masahiro Yamada | 1 | 0.00% | 1 | 0.86% |
| Qinglang Miao | 1 | 0.00% | 1 | 0.86% |
| Sinan Kaya | 1 | 0.00% | 1 | 0.86% |
| Total | 21839 | 116 |
// SPDX-License-Identifier: GPL-2.0-only /* * QLogic qlcnic NIC Driver * Copyright (c) 2009-2013 QLogic Corporation */ #include <linux/if_vlan.h> #include <linux/ipv6.h> #include <linux/ethtool.h> #include <linux/interrupt.h> #include <linux/aer.h> #include "qlcnic.h" #include "qlcnic_sriov.h" static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *); static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *, u8); static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *, u8 *, u8, struct qlcnic_cmd_args *); static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *); static irqreturn_t qlcnic_83xx_handle_aen(int, void *); static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *, pci_channel_state_t); static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *); static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *); static void qlcnic_83xx_io_resume(struct pci_dev *); static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *, u8); static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *); static int qlcnic_83xx_resume(struct qlcnic_adapter *); static int qlcnic_83xx_shutdown(struct pci_dev *); static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *); #define RSS_HASHTYPE_IP_TCP 0x3 #define QLC_83XX_FW_MBX_CMD 0 #define QLC_SKIP_INACTIVE_PCI_REGS 7 #define QLC_MAX_LEGACY_FUNC_SUPP 8 /* 83xx Module type */ #define QLC_83XX_MODULE_FIBRE_10GBASE_LRM 0x1 /* 10GBase-LRM */ #define QLC_83XX_MODULE_FIBRE_10GBASE_LR 0x2 /* 10GBase-LR */ #define QLC_83XX_MODULE_FIBRE_10GBASE_SR 0x3 /* 10GBase-SR */ #define QLC_83XX_MODULE_DA_10GE_PASSIVE_CP 0x4 /* 10GE passive * copper(compliant) */ #define QLC_83XX_MODULE_DA_10GE_ACTIVE_CP 0x5 /* 10GE active limiting * copper(compliant) */ #define QLC_83XX_MODULE_DA_10GE_LEGACY_CP 0x6 /* 10GE passive copper * (legacy, best effort) */ #define QLC_83XX_MODULE_FIBRE_1000BASE_SX 0x7 /* 1000Base-SX */ #define QLC_83XX_MODULE_FIBRE_1000BASE_LX 0x8 /* 1000Base-LX */ #define QLC_83XX_MODULE_FIBRE_1000BASE_CX 0x9 /* 1000Base-CX */ #define QLC_83XX_MODULE_TP_1000BASE_T 0xa /* 1000Base-T*/ #define QLC_83XX_MODULE_DA_1GE_PASSIVE_CP 0xb /* 1GE passive copper * (legacy, best effort) */ #define QLC_83XX_MODULE_UNKNOWN 0xf /* Unknown module type */ /* Port types */ #define QLC_83XX_10_CAPABLE BIT_8 #define QLC_83XX_100_CAPABLE BIT_9 #define QLC_83XX_1G_CAPABLE BIT_10 #define QLC_83XX_10G_CAPABLE BIT_11 #define QLC_83XX_AUTONEG_ENABLE BIT_15 static const struct qlcnic_mailbox_metadata qlcnic_83xx_mbx_tbl[] = { {QLCNIC_CMD_CONFIGURE_IP_ADDR, 6, 1}, {QLCNIC_CMD_CONFIG_INTRPT, 18, 34}, {QLCNIC_CMD_CREATE_RX_CTX, 136, 27}, {QLCNIC_CMD_DESTROY_RX_CTX, 2, 1}, {QLCNIC_CMD_CREATE_TX_CTX, 54, 18}, {QLCNIC_CMD_DESTROY_TX_CTX, 2, 1}, {QLCNIC_CMD_CONFIGURE_MAC_LEARNING, 2, 1}, {QLCNIC_CMD_INTRPT_TEST, 22, 12}, {QLCNIC_CMD_SET_MTU, 3, 1}, {QLCNIC_CMD_READ_PHY, 4, 2}, {QLCNIC_CMD_WRITE_PHY, 5, 1}, {QLCNIC_CMD_READ_HW_REG, 4, 1}, {QLCNIC_CMD_GET_FLOW_CTL, 4, 2}, {QLCNIC_CMD_SET_FLOW_CTL, 4, 1}, {QLCNIC_CMD_READ_MAX_MTU, 4, 2}, {QLCNIC_CMD_READ_MAX_LRO, 4, 2}, {QLCNIC_CMD_MAC_ADDRESS, 4, 3}, {QLCNIC_CMD_GET_PCI_INFO, 1, 129}, {QLCNIC_CMD_GET_NIC_INFO, 2, 19}, {QLCNIC_CMD_SET_NIC_INFO, 32, 1}, {QLCNIC_CMD_GET_ESWITCH_CAPABILITY, 4, 3}, {QLCNIC_CMD_TOGGLE_ESWITCH, 4, 1}, {QLCNIC_CMD_GET_ESWITCH_STATUS, 4, 3}, {QLCNIC_CMD_SET_PORTMIRRORING, 4, 1}, {QLCNIC_CMD_CONFIGURE_ESWITCH, 4, 1}, {QLCNIC_CMD_GET_ESWITCH_PORT_CONFIG, 4, 3}, {QLCNIC_CMD_GET_ESWITCH_STATS, 5, 1}, {QLCNIC_CMD_CONFIG_PORT, 4, 1}, {QLCNIC_CMD_TEMP_SIZE, 1, 4}, {QLCNIC_CMD_GET_TEMP_HDR, 5, 5}, {QLCNIC_CMD_GET_LINK_EVENT, 2, 1}, {QLCNIC_CMD_CONFIG_MAC_VLAN, 4, 3}, {QLCNIC_CMD_CONFIG_INTR_COAL, 6, 1}, {QLCNIC_CMD_CONFIGURE_RSS, 14, 1}, {QLCNIC_CMD_CONFIGURE_LED, 2, 1}, {QLCNIC_CMD_CONFIGURE_MAC_RX_MODE, 2, 1}, {QLCNIC_CMD_CONFIGURE_HW_LRO, 2, 1}, {QLCNIC_CMD_GET_STATISTICS, 2, 80}, {QLCNIC_CMD_SET_PORT_CONFIG, 2, 1}, {QLCNIC_CMD_GET_PORT_CONFIG, 2, 2}, {QLCNIC_CMD_GET_LINK_STATUS, 2, 4}, {QLCNIC_CMD_IDC_ACK, 5, 1}, {QLCNIC_CMD_INIT_NIC_FUNC, 3, 1}, {QLCNIC_CMD_STOP_NIC_FUNC, 2, 1}, {QLCNIC_CMD_SET_LED_CONFIG, 5, 1}, {QLCNIC_CMD_GET_LED_CONFIG, 1, 5}, {QLCNIC_CMD_83XX_SET_DRV_VER, 4, 1}, {QLCNIC_CMD_ADD_RCV_RINGS, 130, 26}, {QLCNIC_CMD_CONFIG_VPORT, 4, 4}, {QLCNIC_CMD_BC_EVENT_SETUP, 2, 1}, {QLCNIC_CMD_DCB_QUERY_CAP, 1, 2}, {QLCNIC_CMD_DCB_QUERY_PARAM, 1, 50}, {QLCNIC_CMD_SET_INGRESS_ENCAP, 2, 1}, {QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP, 4, 1}, }; const u32 qlcnic_83xx_ext_reg_tbl[] = { 0x38CC, /* Global Reset */ 0x38F0, /* Wildcard */ 0x38FC, /* Informant */ 0x3038, /* Host MBX ctrl */ 0x303C, /* FW MBX ctrl */ 0x355C, /* BOOT LOADER ADDRESS REG */ 0x3560, /* BOOT LOADER SIZE REG */ 0x3564, /* FW IMAGE ADDR REG */ 0x1000, /* MBX intr enable */ 0x1200, /* Default Intr mask */ 0x1204, /* Default Interrupt ID */ 0x3780, /* QLC_83XX_IDC_MAJ_VERSION */ 0x3784, /* QLC_83XX_IDC_DEV_STATE */ 0x3788, /* QLC_83XX_IDC_DRV_PRESENCE */ 0x378C, /* QLC_83XX_IDC_DRV_ACK */ 0x3790, /* QLC_83XX_IDC_CTRL */ 0x3794, /* QLC_83XX_IDC_DRV_AUDIT */ 0x3798, /* QLC_83XX_IDC_MIN_VERSION */ 0x379C, /* QLC_83XX_RECOVER_DRV_LOCK */ 0x37A0, /* QLC_83XX_IDC_PF_0 */ 0x37A4, /* QLC_83XX_IDC_PF_1 */ 0x37A8, /* QLC_83XX_IDC_PF_2 */ 0x37AC, /* QLC_83XX_IDC_PF_3 */ 0x37B0, /* QLC_83XX_IDC_PF_4 */ 0x37B4, /* QLC_83XX_IDC_PF_5 */ 0x37B8, /* QLC_83XX_IDC_PF_6 */ 0x37BC, /* QLC_83XX_IDC_PF_7 */ 0x37C0, /* QLC_83XX_IDC_PF_8 */ 0x37C4, /* QLC_83XX_IDC_PF_9 */ 0x37C8, /* QLC_83XX_IDC_PF_10 */ 0x37CC, /* QLC_83XX_IDC_PF_11 */ 0x37D0, /* QLC_83XX_IDC_PF_12 */ 0x37D4, /* QLC_83XX_IDC_PF_13 */ 0x37D8, /* QLC_83XX_IDC_PF_14 */ 0x37DC, /* QLC_83XX_IDC_PF_15 */ 0x37E0, /* QLC_83XX_IDC_DEV_PARTITION_INFO_1 */ 0x37E4, /* QLC_83XX_IDC_DEV_PARTITION_INFO_2 */ 0x37F0, /* QLC_83XX_DRV_OP_MODE */ 0x37F4, /* QLC_83XX_VNIC_STATE */ 0x3868, /* QLC_83XX_DRV_LOCK */ 0x386C, /* QLC_83XX_DRV_UNLOCK */ 0x3504, /* QLC_83XX_DRV_LOCK_ID */ 0x34A4, /* QLC_83XX_ASIC_TEMP */ }; const u32 qlcnic_83xx_reg_tbl[] = { 0x34A8, /* PEG_HALT_STAT1 */ 0x34AC, /* PEG_HALT_STAT2 */ 0x34B0, /* FW_HEARTBEAT */ 0x3500, /* FLASH LOCK_ID */ 0x3528, /* FW_CAPABILITIES */ 0x3538, /* Driver active, DRV_REG0 */ 0x3540, /* Device state, DRV_REG1 */ 0x3544, /* Driver state, DRV_REG2 */ 0x3548, /* Driver scratch, DRV_REG3 */ 0x354C, /* Device partition info, DRV_REG4 */ 0x3524, /* Driver IDC ver, DRV_REG5 */ 0x3550, /* FW_VER_MAJOR */ 0x3554, /* FW_VER_MINOR */ 0x3558, /* FW_VER_SUB */ 0x359C, /* NPAR STATE */ 0x35FC, /* FW_IMG_VALID */ 0x3650, /* CMD_PEG_STATE */ 0x373C, /* RCV_PEG_STATE */ 0x37B4, /* ASIC TEMP */ 0x356C, /* FW API */ 0x3570, /* DRV OP MODE */ 0x3850, /* FLASH LOCK */ 0x3854, /* FLASH UNLOCK */ }; static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = { .read_crb = qlcnic_83xx_read_crb, .write_crb = qlcnic_83xx_write_crb, .read_reg = qlcnic_83xx_rd_reg_indirect, .write_reg = qlcnic_83xx_wrt_reg_indirect, .get_mac_address = qlcnic_83xx_get_mac_address, .setup_intr = qlcnic_83xx_setup_intr, .alloc_mbx_args = qlcnic_83xx_alloc_mbx_args, .mbx_cmd = qlcnic_83xx_issue_cmd, .get_func_no = qlcnic_83xx_get_func_no, .api_lock = qlcnic_83xx_cam_lock, .api_unlock = qlcnic_83xx_cam_unlock, .add_sysfs = qlcnic_83xx_add_sysfs, .remove_sysfs = qlcnic_83xx_remove_sysfs, .process_lb_rcv_ring_diag = qlcnic_83xx_process_rcv_ring_diag, .create_rx_ctx = qlcnic_83xx_create_rx_ctx, .create_tx_ctx = qlcnic_83xx_create_tx_ctx, .del_rx_ctx = qlcnic_83xx_del_rx_ctx, .del_tx_ctx = qlcnic_83xx_del_tx_ctx, .setup_link_event = qlcnic_83xx_setup_link_event, .get_nic_info = qlcnic_83xx_get_nic_info, .get_pci_info = qlcnic_83xx_get_pci_info, .set_nic_info = qlcnic_83xx_set_nic_info, .change_macvlan = qlcnic_83xx_sre_macaddr_change, .napi_enable = qlcnic_83xx_napi_enable, .napi_disable = qlcnic_83xx_napi_disable, .config_intr_coal = qlcnic_83xx_config_intr_coal, .config_rss = qlcnic_83xx_config_rss, .config_hw_lro = qlcnic_83xx_config_hw_lro, .config_promisc_mode = qlcnic_83xx_nic_set_promisc, .change_l2_filter = qlcnic_83xx_change_l2_filter, .get_board_info = qlcnic_83xx_get_port_info, .set_mac_filter_count = qlcnic_83xx_set_mac_filter_count, .free_mac_list = qlcnic_82xx_free_mac_list, .io_error_detected = qlcnic_83xx_io_error_detected, .io_slot_reset = qlcnic_83xx_io_slot_reset, .io_resume = qlcnic_83xx_io_resume, .get_beacon_state = qlcnic_83xx_get_beacon_state, .enable_sds_intr = qlcnic_83xx_enable_sds_intr, .disable_sds_intr = qlcnic_83xx_disable_sds_intr, .enable_tx_intr = qlcnic_83xx_enable_tx_intr, .disable_tx_intr = qlcnic_83xx_disable_tx_intr, .get_saved_state = qlcnic_83xx_get_saved_state, .set_saved_state = qlcnic_83xx_set_saved_state, .cache_tmpl_hdr_values = qlcnic_83xx_cache_tmpl_hdr_values, .get_cap_size = qlcnic_83xx_get_cap_size, .set_sys_info = qlcnic_83xx_set_sys_info, .store_cap_mask = qlcnic_83xx_store_cap_mask, .encap_rx_offload = qlcnic_83xx_encap_rx_offload, .encap_tx_offload = qlcnic_83xx_encap_tx_offload, }; static struct qlcnic_nic_template qlcnic_83xx_ops = { .config_bridged_mode = qlcnic_config_bridged_mode, .config_led = qlcnic_config_led, .request_reset = qlcnic_83xx_idc_request_reset, .cancel_idc_work = qlcnic_83xx_idc_exit, .napi_add = qlcnic_83xx_napi_add, .napi_del = qlcnic_83xx_napi_del, .config_ipaddr = qlcnic_83xx_config_ipaddr, .clear_legacy_intr = qlcnic_83xx_clear_legacy_intr, .shutdown = qlcnic_83xx_shutdown, .resume = qlcnic_83xx_resume, }; void qlcnic_83xx_register_map(struct qlcnic_hardware_context *ahw) { ahw->hw_ops = &qlcnic_83xx_hw_ops; ahw->reg_tbl = (u32 *)qlcnic_83xx_reg_tbl; ahw->ext_reg_tbl = (u32 *)qlcnic_83xx_ext_reg_tbl; } int qlcnic_83xx_get_fw_version(struct qlcnic_adapter *adapter) { u32 fw_major, fw_minor, fw_build; struct pci_dev *pdev = adapter->pdev; fw_major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); fw_minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); fw_build = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); adapter->fw_version = QLCNIC_VERSION_CODE(fw_major, fw_minor, fw_build); dev_info(&pdev->dev, "Driver v%s, firmware version %d.%d.%d\n", QLCNIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build); return adapter->fw_version; } static int __qlcnic_set_win_base(struct qlcnic_adapter *adapter, u32 addr) { void __iomem *base; u32 val; base = adapter->ahw->pci_base0 + QLC_83XX_CRB_WIN_FUNC(adapter->ahw->pci_func); writel(addr, base); val = readl(base); if (val != addr) return -EIO; return 0; } int qlcnic_83xx_rd_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, int *err) { struct qlcnic_hardware_context *ahw = adapter->ahw; *err = __qlcnic_set_win_base(adapter, (u32) addr); if (!*err) { return QLCRDX(ahw, QLCNIC_WILDCARD); } else { dev_err(&adapter->pdev->dev, "%s failed, addr = 0x%lx\n", __func__, addr); return -EIO; } } int qlcnic_83xx_wrt_reg_indirect(struct qlcnic_adapter *adapter, ulong addr, u32 data) { int err; struct qlcnic_hardware_context *ahw = adapter->ahw; err = __qlcnic_set_win_base(adapter, (u32) addr); if (!err) { QLCWRX(ahw, QLCNIC_WILDCARD, data); return 0; } else { dev_err(&adapter->pdev->dev, "%s failed, addr = 0x%x data = 0x%x\n", __func__, (int)addr, data); return err; } } static void qlcnic_83xx_enable_legacy(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; /* MSI-X enablement failed, use legacy interrupt */ adapter->tgt_status_reg = ahw->pci_base0 + QLC_83XX_INTX_PTR; adapter->tgt_mask_reg = ahw->pci_base0 + QLC_83XX_INTX_MASK; adapter->isr_int_vec = ahw->pci_base0 + QLC_83XX_INTX_TRGR; adapter->msix_entries[0].vector = adapter->pdev->irq; dev_info(&adapter->pdev->dev, "using legacy interrupt\n"); } static int qlcnic_83xx_calculate_msix_vector(struct qlcnic_adapter *adapter) { int num_msix; num_msix = adapter->drv_sds_rings; /* account for AEN interrupt MSI-X based interrupts */ num_msix += 1; if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) num_msix += adapter->drv_tx_rings; return num_msix; } int qlcnic_83xx_setup_intr(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; int err, i, num_msix; if (adapter->flags & QLCNIC_TSS_RSS) { err = qlcnic_setup_tss_rss_intr(adapter); if (err < 0) return err; num_msix = ahw->num_msix; } else { num_msix = qlcnic_83xx_calculate_msix_vector(adapter); err = qlcnic_enable_msix(adapter, num_msix); if (err == -ENOMEM) return err; if (adapter->flags & QLCNIC_MSIX_ENABLED) { num_msix = ahw->num_msix; } else { if (qlcnic_sriov_vf_check(adapter)) return -EINVAL; num_msix = 1; adapter->drv_sds_rings = QLCNIC_SINGLE_RING; adapter->drv_tx_rings = QLCNIC_SINGLE_RING; } } /* setup interrupt mapping table for fw */ ahw->intr_tbl = vzalloc(array_size(num_msix, sizeof(struct qlcnic_intrpt_config))); if (!ahw->intr_tbl) return -ENOMEM; if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) { if (adapter->ahw->pci_func >= QLC_MAX_LEGACY_FUNC_SUPP) { dev_err(&adapter->pdev->dev, "PCI function number 8 and higher are not supported with legacy interrupt, func 0x%x\n", ahw->pci_func); return -EOPNOTSUPP; } qlcnic_83xx_enable_legacy(adapter); } for (i = 0; i < num_msix; i++) { if (adapter->flags & QLCNIC_MSIX_ENABLED) ahw->intr_tbl[i].type = QLCNIC_INTRPT_MSIX; else ahw->intr_tbl[i].type = QLCNIC_INTRPT_INTX; ahw->intr_tbl[i].id = i; ahw->intr_tbl[i].src = 0; } return 0; } static inline void qlcnic_83xx_clear_legacy_intr_mask(struct qlcnic_adapter *adapter) { writel(0, adapter->tgt_mask_reg); } static inline void qlcnic_83xx_set_legacy_intr_mask(struct qlcnic_adapter *adapter) { if (adapter->tgt_mask_reg) writel(1, adapter->tgt_mask_reg); } static inline void qlcnic_83xx_enable_legacy_msix_mbx_intr(struct qlcnic_adapter *adapter) { u32 mask; /* Mailbox in MSI-x mode and Legacy Interrupt share the same * source register. We could be here before contexts are created * and sds_ring->crb_intr_mask has not been initialized, calculate * BAR offset for Interrupt Source Register */ mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); writel(0, adapter->ahw->pci_base0 + mask); } void qlcnic_83xx_disable_mbx_intr(struct qlcnic_adapter *adapter) { u32 mask; mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); writel(1, adapter->ahw->pci_base0 + mask); QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, 0); } static inline void qlcnic_83xx_get_mbx_data(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { int i; if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) return; for (i = 0; i < cmd->rsp.num; i++) cmd->rsp.arg[i] = readl(QLCNIC_MBX_FW(adapter->ahw, i)); } irqreturn_t qlcnic_83xx_clear_legacy_intr(struct qlcnic_adapter *adapter) { u32 intr_val; struct qlcnic_hardware_context *ahw = adapter->ahw; int retries = 0; intr_val = readl(adapter->tgt_status_reg); if (!QLC_83XX_VALID_INTX_BIT31(intr_val)) return IRQ_NONE; if (QLC_83XX_INTX_FUNC(intr_val) != adapter->ahw->pci_func) { adapter->stats.spurious_intr++; return IRQ_NONE; } /* The barrier is required to ensure writes to the registers */ wmb(); /* clear the interrupt trigger control register */ writel_relaxed(0, adapter->isr_int_vec); intr_val = readl(adapter->isr_int_vec); do { intr_val = readl(adapter->tgt_status_reg); if (QLC_83XX_INTX_FUNC(intr_val) != ahw->pci_func) break; retries++; } while (QLC_83XX_VALID_INTX_BIT30(intr_val) && (retries < QLC_83XX_LEGACY_INTX_MAX_RETRY)); return IRQ_HANDLED; } static inline void qlcnic_83xx_notify_mbx_response(struct qlcnic_mailbox *mbx) { mbx->rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; complete(&mbx->completion); } static void qlcnic_83xx_poll_process_aen(struct qlcnic_adapter *adapter) { u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; unsigned long flags; spin_lock_irqsave(&mbx->aen_lock, flags); resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); if (!(resp & QLCNIC_SET_OWNER)) goto out; event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); if (event & QLCNIC_MBX_ASYNC_EVENT) { __qlcnic_83xx_process_aen(adapter); } else { if (mbx->rsp_status != rsp_status) qlcnic_83xx_notify_mbx_response(mbx); } out: qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); spin_unlock_irqrestore(&mbx->aen_lock, flags); } irqreturn_t qlcnic_83xx_intr(int irq, void *data) { struct qlcnic_adapter *adapter = data; struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_hardware_context *ahw = adapter->ahw; if (qlcnic_83xx_clear_legacy_intr(adapter) == IRQ_NONE) return IRQ_NONE; qlcnic_83xx_poll_process_aen(adapter); if (ahw->diag_test) { if (ahw->diag_test == QLCNIC_INTERRUPT_TEST) ahw->diag_cnt++; qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); return IRQ_HANDLED; } if (!test_bit(__QLCNIC_DEV_UP, &adapter->state)) { qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); } else { sds_ring = &adapter->recv_ctx->sds_rings[0]; napi_schedule(&sds_ring->napi); } return IRQ_HANDLED; } irqreturn_t qlcnic_83xx_tmp_intr(int irq, void *data) { struct qlcnic_host_sds_ring *sds_ring = data; struct qlcnic_adapter *adapter = sds_ring->adapter; if (adapter->flags & QLCNIC_MSIX_ENABLED) goto done; if (adapter->nic_ops->clear_legacy_intr(adapter) == IRQ_NONE) return IRQ_NONE; done: adapter->ahw->diag_cnt++; qlcnic_enable_sds_intr(adapter, sds_ring); return IRQ_HANDLED; } void qlcnic_83xx_free_mbx_intr(struct qlcnic_adapter *adapter) { u32 num_msix; if (!(adapter->flags & QLCNIC_MSIX_ENABLED)) qlcnic_83xx_set_legacy_intr_mask(adapter); qlcnic_83xx_disable_mbx_intr(adapter); if (adapter->flags & QLCNIC_MSIX_ENABLED) num_msix = adapter->ahw->num_msix - 1; else num_msix = 0; msleep(20); if (adapter->msix_entries) { synchronize_irq(adapter->msix_entries[num_msix].vector); free_irq(adapter->msix_entries[num_msix].vector, adapter); } } int qlcnic_83xx_setup_mbx_intr(struct qlcnic_adapter *adapter) { irq_handler_t handler; u32 val; int err = 0; unsigned long flags = 0; if (!(adapter->flags & QLCNIC_MSI_ENABLED) && !(adapter->flags & QLCNIC_MSIX_ENABLED)) flags |= IRQF_SHARED; if (adapter->flags & QLCNIC_MSIX_ENABLED) { handler = qlcnic_83xx_handle_aen; val = adapter->msix_entries[adapter->ahw->num_msix - 1].vector; err = request_irq(val, handler, flags, "qlcnic-MB", adapter); if (err) { dev_err(&adapter->pdev->dev, "failed to register MBX interrupt\n"); return err; } } else { handler = qlcnic_83xx_intr; val = adapter->msix_entries[0].vector; err = request_irq(val, handler, flags, "qlcnic", adapter); if (err) { dev_err(&adapter->pdev->dev, "failed to register INTx interrupt\n"); return err; } qlcnic_83xx_clear_legacy_intr_mask(adapter); } /* Enable mailbox interrupt */ qlcnic_83xx_enable_mbx_interrupt(adapter); return err; } void qlcnic_83xx_get_func_no(struct qlcnic_adapter *adapter) { u32 val = QLCRDX(adapter->ahw, QLCNIC_INFORMANT); adapter->ahw->pci_func = (val >> 24) & 0xff; } int qlcnic_83xx_cam_lock(struct qlcnic_adapter *adapter) { void __iomem *addr; u32 val, limit = 0; struct qlcnic_hardware_context *ahw = adapter->ahw; addr = ahw->pci_base0 + QLC_83XX_SEM_LOCK_FUNC(ahw->pci_func); do { val = readl(addr); if (val) { /* write the function number to register */ QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, ahw->pci_func); return 0; } usleep_range(1000, 2000); } while (++limit <= QLCNIC_PCIE_SEM_TIMEOUT); return -EIO; } void qlcnic_83xx_cam_unlock(struct qlcnic_adapter *adapter) { void __iomem *addr; struct qlcnic_hardware_context *ahw = adapter->ahw; addr = ahw->pci_base0 + QLC_83XX_SEM_UNLOCK_FUNC(ahw->pci_func); readl(addr); } void qlcnic_83xx_read_crb(struct qlcnic_adapter *adapter, char *buf, loff_t offset, size_t size) { int ret = 0; u32 data; if (qlcnic_api_lock(adapter)) { dev_err(&adapter->pdev->dev, "%s: failed to acquire lock. addr offset 0x%x\n", __func__, (u32)offset); return; } data = QLCRD32(adapter, (u32) offset, &ret); qlcnic_api_unlock(adapter); if (ret == -EIO) { dev_err(&adapter->pdev->dev, "%s: failed. addr offset 0x%x\n", __func__, (u32)offset); return; } memcpy(buf, &data, size); } void qlcnic_83xx_write_crb(struct qlcnic_adapter *adapter, char *buf, loff_t offset, size_t size) { u32 data; memcpy(&data, buf, size); qlcnic_83xx_wrt_reg_indirect(adapter, (u32) offset, data); } int qlcnic_83xx_get_port_info(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; int status; status = qlcnic_83xx_get_port_config(adapter); if (status) { dev_err(&adapter->pdev->dev, "Get Port Info failed\n"); } else { if (ahw->port_config & QLC_83XX_10G_CAPABLE) { ahw->port_type = QLCNIC_XGBE; } else if (ahw->port_config & QLC_83XX_10_CAPABLE || ahw->port_config & QLC_83XX_100_CAPABLE || ahw->port_config & QLC_83XX_1G_CAPABLE) { ahw->port_type = QLCNIC_GBE; } else { ahw->port_type = QLCNIC_XGBE; } if (QLC_83XX_AUTONEG(ahw->port_config)) ahw->link_autoneg = AUTONEG_ENABLE; } return status; } static void qlcnic_83xx_set_mac_filter_count(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; u16 act_pci_fn = ahw->total_nic_func; u16 count; ahw->max_mc_count = QLC_83XX_MAX_MC_COUNT; if (act_pci_fn <= 2) count = (QLC_83XX_MAX_UC_COUNT - QLC_83XX_MAX_MC_COUNT) / act_pci_fn; else count = (QLC_83XX_LB_MAX_FILTERS - QLC_83XX_MAX_MC_COUNT) / act_pci_fn; ahw->max_uc_count = count; } void qlcnic_83xx_enable_mbx_interrupt(struct qlcnic_adapter *adapter) { u32 val; if (adapter->flags & QLCNIC_MSIX_ENABLED) val = BIT_2 | ((adapter->ahw->num_msix - 1) << 8); else val = BIT_2; QLCWRX(adapter->ahw, QLCNIC_MBX_INTR_ENBL, val); qlcnic_83xx_enable_legacy_msix_mbx_intr(adapter); } void qlcnic_83xx_check_vf(struct qlcnic_adapter *adapter, const struct pci_device_id *ent) { u32 op_mode, priv_level; struct qlcnic_hardware_context *ahw = adapter->ahw; ahw->fw_hal_version = 2; qlcnic_get_func_no(adapter); if (qlcnic_sriov_vf_check(adapter)) { qlcnic_sriov_vf_set_ops(adapter); return; } /* Determine function privilege level */ op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE); if (op_mode == QLC_83XX_DEFAULT_OPMODE) priv_level = QLCNIC_MGMT_FUNC; else priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode, ahw->pci_func); if (priv_level == QLCNIC_NON_PRIV_FUNC) { ahw->op_mode = QLCNIC_NON_PRIV_FUNC; dev_info(&adapter->pdev->dev, "HAL Version: %d Non Privileged function\n", ahw->fw_hal_version); adapter->nic_ops = &qlcnic_vf_ops; } else { if (pci_find_ext_capability(adapter->pdev, PCI_EXT_CAP_ID_SRIOV)) set_bit(__QLCNIC_SRIOV_CAPABLE, &adapter->state); adapter->nic_ops = &qlcnic_83xx_ops; } } static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, u32 data[]); static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, u32 data[]); void qlcnic_dump_mbx(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { int i; if (cmd->op_type == QLC_83XX_MBX_POST_BC_OP) return; dev_info(&adapter->pdev->dev, "Host MBX regs(%d)\n", cmd->req.num); for (i = 0; i < cmd->req.num; i++) { if (i && !(i % 8)) pr_info("\n"); pr_info("%08x ", cmd->req.arg[i]); } pr_info("\n"); dev_info(&adapter->pdev->dev, "FW MBX regs(%d)\n", cmd->rsp.num); for (i = 0; i < cmd->rsp.num; i++) { if (i && !(i % 8)) pr_info("\n"); pr_info("%08x ", cmd->rsp.arg[i]); } pr_info("\n"); } static void qlcnic_83xx_poll_for_mbx_completion(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { struct qlcnic_hardware_context *ahw = adapter->ahw; int opcode = LSW(cmd->req.arg[0]); unsigned long max_loops; max_loops = cmd->total_cmds * QLC_83XX_MBX_CMD_LOOP; for (; max_loops; max_loops--) { if (atomic_read(&cmd->rsp_status) == QLC_83XX_MBX_RESPONSE_ARRIVED) return; udelay(1); } dev_err(&adapter->pdev->dev, "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode); flush_workqueue(ahw->mailbox->work_q); return; } int qlcnic_83xx_issue_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; struct qlcnic_hardware_context *ahw = adapter->ahw; int cmd_type, err, opcode; unsigned long timeout; if (!mbx) return -EIO; opcode = LSW(cmd->req.arg[0]); cmd_type = cmd->type; err = mbx->ops->enqueue_cmd(adapter, cmd, &timeout); if (err) { dev_err(&adapter->pdev->dev, "%s: Mailbox not available, cmd_op=0x%x, cmd_context=0x%x, pci_func=0x%x, op_mode=0x%x\n", __func__, opcode, cmd->type, ahw->pci_func, ahw->op_mode); return err; } switch (cmd_type) { case QLC_83XX_MBX_CMD_WAIT: if (!wait_for_completion_timeout(&cmd->completion, timeout)) { dev_err(&adapter->pdev->dev, "%s: Mailbox command timed out, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", __func__, opcode, cmd_type, ahw->pci_func, ahw->op_mode); flush_workqueue(mbx->work_q); } break; case QLC_83XX_MBX_CMD_NO_WAIT: return 0; case QLC_83XX_MBX_CMD_BUSY_WAIT: qlcnic_83xx_poll_for_mbx_completion(adapter, cmd); break; default: dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command, cmd_op=0x%x, cmd_type=0x%x, pci_func=0x%x, op_mode=0x%x\n", __func__, opcode, cmd_type, ahw->pci_func, ahw->op_mode); qlcnic_83xx_detach_mailbox_work(adapter); } return cmd->rsp_opcode; } int qlcnic_83xx_alloc_mbx_args(struct qlcnic_cmd_args *mbx, struct qlcnic_adapter *adapter, u32 type) { int i, size; u32 temp; const struct qlcnic_mailbox_metadata *mbx_tbl; memset(mbx, 0, sizeof(struct qlcnic_cmd_args)); mbx_tbl = qlcnic_83xx_mbx_tbl; size = ARRAY_SIZE(qlcnic_83xx_mbx_tbl); for (i = 0; i < size; i++) { if (type == mbx_tbl[i].cmd) { mbx->op_type = QLC_83XX_FW_MBX_CMD; mbx->req.num = mbx_tbl[i].in_args; mbx->rsp.num = mbx_tbl[i].out_args; mbx->req.arg = kcalloc(mbx->req.num, sizeof(u32), GFP_ATOMIC); if (!mbx->req.arg) return -ENOMEM; mbx->rsp.arg = kcalloc(mbx->rsp.num, sizeof(u32), GFP_ATOMIC); if (!mbx->rsp.arg) { kfree(mbx->req.arg); mbx->req.arg = NULL; return -ENOMEM; } temp = adapter->ahw->fw_hal_version << 29; mbx->req.arg[0] = (type | (mbx->req.num << 16) | temp); mbx->cmd_op = type; return 0; } } dev_err(&adapter->pdev->dev, "%s: Invalid mailbox command opcode 0x%x\n", __func__, type); return -EINVAL; } void qlcnic_83xx_idc_aen_work(struct work_struct *work) { struct qlcnic_adapter *adapter; struct qlcnic_cmd_args cmd; int i, err = 0; adapter = container_of(work, struct qlcnic_adapter, idc_aen_work.work); err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_IDC_ACK); if (err) return; for (i = 1; i < QLC_83XX_MBX_AEN_CNT; i++) cmd.req.arg[i] = adapter->ahw->mbox_aen[i]; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_info(&adapter->pdev->dev, "%s: Mailbox IDC ACK failed.\n", __func__); qlcnic_free_mbx_args(&cmd); } static void qlcnic_83xx_handle_idc_comp_aen(struct qlcnic_adapter *adapter, u32 data[]) { dev_dbg(&adapter->pdev->dev, "Completion AEN:0x%x.\n", QLCNIC_MBX_RSP(data[0])); clear_bit(QLC_83XX_IDC_COMP_AEN, &adapter->ahw->idc.status); return; } static void __qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 event[QLC_83XX_MBX_AEN_CNT]; int i; for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) event[i] = readl(QLCNIC_MBX_FW(ahw, i)); switch (QLCNIC_MBX_RSP(event[0])) { case QLCNIC_MBX_LINK_EVENT: qlcnic_83xx_handle_link_aen(adapter, event); break; case QLCNIC_MBX_COMP_EVENT: qlcnic_83xx_handle_idc_comp_aen(adapter, event); break; case QLCNIC_MBX_REQUEST_EVENT: for (i = 0; i < QLC_83XX_MBX_AEN_CNT; i++) adapter->ahw->mbox_aen[i] = QLCNIC_MBX_RSP(event[i]); queue_delayed_work(adapter->qlcnic_wq, &adapter->idc_aen_work, 0); break; case QLCNIC_MBX_TIME_EXTEND_EVENT: ahw->extend_lb_time = event[1] >> 8 & 0xf; break; case QLCNIC_MBX_BC_EVENT: qlcnic_sriov_handle_bc_event(adapter, event[1]); break; case QLCNIC_MBX_SFP_INSERT_EVENT: dev_info(&adapter->pdev->dev, "SFP+ Insert AEN:0x%x.\n", QLCNIC_MBX_RSP(event[0])); break; case QLCNIC_MBX_SFP_REMOVE_EVENT: dev_info(&adapter->pdev->dev, "SFP Removed AEN:0x%x.\n", QLCNIC_MBX_RSP(event[0])); break; case QLCNIC_MBX_DCBX_CONFIG_CHANGE_EVENT: qlcnic_dcb_aen_handler(adapter->dcb, (void *)&event[1]); break; default: dev_dbg(&adapter->pdev->dev, "Unsupported AEN:0x%x.\n", QLCNIC_MBX_RSP(event[0])); break; } QLCWRX(ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); } static void qlcnic_83xx_process_aen(struct qlcnic_adapter *adapter) { u32 resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_mailbox *mbx = ahw->mailbox; unsigned long flags; spin_lock_irqsave(&mbx->aen_lock, flags); resp = QLCRDX(ahw, QLCNIC_FW_MBX_CTRL); if (resp & QLCNIC_SET_OWNER) { event = readl(QLCNIC_MBX_FW(ahw, 0)); if (event & QLCNIC_MBX_ASYNC_EVENT) { __qlcnic_83xx_process_aen(adapter); } else { if (mbx->rsp_status != rsp_status) qlcnic_83xx_notify_mbx_response(mbx); } } spin_unlock_irqrestore(&mbx->aen_lock, flags); } static void qlcnic_83xx_mbx_poll_work(struct work_struct *work) { struct qlcnic_adapter *adapter; adapter = container_of(work, struct qlcnic_adapter, mbx_poll_work.work); if (!test_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) return; qlcnic_83xx_process_aen(adapter); queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, (HZ / 10)); } void qlcnic_83xx_enable_mbx_poll(struct qlcnic_adapter *adapter) { if (test_and_set_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) return; INIT_DELAYED_WORK(&adapter->mbx_poll_work, qlcnic_83xx_mbx_poll_work); queue_delayed_work(adapter->qlcnic_wq, &adapter->mbx_poll_work, 0); } void qlcnic_83xx_disable_mbx_poll(struct qlcnic_adapter *adapter) { if (!test_and_clear_bit(__QLCNIC_MBX_POLL_ENABLE, &adapter->state)) return; cancel_delayed_work_sync(&adapter->mbx_poll_work); } static int qlcnic_83xx_add_rings(struct qlcnic_adapter *adapter) { int index, i, err, sds_mbx_size; u32 *buf, intrpt_id, intr_mask; u16 context_id; u8 num_sds; struct qlcnic_cmd_args cmd; struct qlcnic_host_sds_ring *sds; struct qlcnic_sds_mbx sds_mbx; struct qlcnic_add_rings_mbx_out *mbx_out; struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; struct qlcnic_hardware_context *ahw = adapter->ahw; sds_mbx_size = sizeof(struct qlcnic_sds_mbx); context_id = recv_ctx->context_id; num_sds = adapter->drv_sds_rings - QLCNIC_MAX_SDS_RINGS; err = ahw->hw_ops->alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_ADD_RCV_RINGS); if (err) { dev_err(&adapter->pdev->dev, "Failed to alloc mbx args %d\n", err); return err; } cmd.req.arg[1] = 0 | (num_sds << 8) | (context_id << 16); /* set up status rings, mbx 2-81 */ index = 2; for (i = 8; i < adapter->drv_sds_rings; i++) { memset(&sds_mbx, 0, sds_mbx_size); sds = &recv_ctx->sds_rings[i]; sds->consumer = 0; memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); sds_mbx.phy_addr_low = LSD(sds->phys_addr); sds_mbx.phy_addr_high = MSD(sds->phys_addr); sds_mbx.sds_ring_size = sds->num_desc; if (adapter->flags & QLCNIC_MSIX_ENABLED) intrpt_id = ahw->intr_tbl[i].id; else intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) sds_mbx.intrpt_id = intrpt_id; else sds_mbx.intrpt_id = 0xffff; sds_mbx.intrpt_val = 0; buf = &cmd.req.arg[index]; memcpy(buf, &sds_mbx, sds_mbx_size); index += sds_mbx_size / sizeof(u32); } /* send the mailbox command */ err = ahw->hw_ops->mbx_cmd(adapter, &cmd); if (err) { dev_err(&adapter->pdev->dev, "Failed to add rings %d\n", err); goto out; } mbx_out = (struct qlcnic_add_rings_mbx_out *)&cmd.rsp.arg[1]; index = 0; /* status descriptor ring */ for (i = 8; i < adapter->drv_sds_rings; i++) { sds = &recv_ctx->sds_rings[i]; sds->crb_sts_consumer = ahw->pci_base0 + mbx_out->host_csmr[index]; if (adapter->flags & QLCNIC_MSIX_ENABLED) intr_mask = ahw->intr_tbl[i].src; else intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); sds->crb_intr_mask = ahw->pci_base0 + intr_mask; index++; } out: qlcnic_free_mbx_args(&cmd); return err; } void qlcnic_83xx_del_rx_ctx(struct qlcnic_adapter *adapter) { int err; u32 temp = 0; struct qlcnic_cmd_args cmd; struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_RX_CTX)) return; if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) cmd.req.arg[0] |= (0x3 << 29); if (qlcnic_sriov_pf_check(adapter)) qlcnic_pf_set_interface_id_del_rx_ctx(adapter, &temp); cmd.req.arg[1] = recv_ctx->context_id | temp; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_err(&adapter->pdev->dev, "Failed to destroy rx ctx in firmware\n"); recv_ctx->state = QLCNIC_HOST_CTX_STATE_FREED; qlcnic_free_mbx_args(&cmd); } int qlcnic_83xx_create_rx_ctx(struct qlcnic_adapter *adapter) { int i, err, index, sds_mbx_size, rds_mbx_size; u8 num_sds, num_rds; u32 *buf, intrpt_id, intr_mask, cap = 0; struct qlcnic_host_sds_ring *sds; struct qlcnic_host_rds_ring *rds; struct qlcnic_sds_mbx sds_mbx; struct qlcnic_rds_mbx rds_mbx; struct qlcnic_cmd_args cmd; struct qlcnic_rcv_mbx_out *mbx_out; struct qlcnic_recv_context *recv_ctx = adapter->recv_ctx; struct qlcnic_hardware_context *ahw = adapter->ahw; num_rds = adapter->max_rds_rings; if (adapter->drv_sds_rings <= QLCNIC_MAX_SDS_RINGS) num_sds = adapter->drv_sds_rings; else num_sds = QLCNIC_MAX_SDS_RINGS; sds_mbx_size = sizeof(struct qlcnic_sds_mbx); rds_mbx_size = sizeof(struct qlcnic_rds_mbx); cap = QLCNIC_CAP0_LEGACY_CONTEXT; if (adapter->flags & QLCNIC_FW_LRO_MSS_CAP) cap |= QLC_83XX_FW_CAP_LRO_MSS; /* set mailbox hdr and capabilities */ err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_RX_CTX); if (err) return err; if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) cmd.req.arg[0] |= (0x3 << 29); cmd.req.arg[1] = cap; cmd.req.arg[5] = 1 | (num_rds << 5) | (num_sds << 8) | (QLC_83XX_HOST_RDS_MODE_UNIQUE << 16); if (qlcnic_sriov_pf_check(adapter)) qlcnic_pf_set_interface_id_create_rx_ctx(adapter, &cmd.req.arg[6]); /* set up status rings, mbx 8-57/87 */ index = QLC_83XX_HOST_SDS_MBX_IDX; for (i = 0; i < num_sds; i++) { memset(&sds_mbx, 0, sds_mbx_size); sds = &recv_ctx->sds_rings[i]; sds->consumer = 0; memset(sds->desc_head, 0, STATUS_DESC_RINGSIZE(sds)); sds_mbx.phy_addr_low = LSD(sds->phys_addr); sds_mbx.phy_addr_high = MSD(sds->phys_addr); sds_mbx.sds_ring_size = sds->num_desc; if (adapter->flags & QLCNIC_MSIX_ENABLED) intrpt_id = ahw->intr_tbl[i].id; else intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) sds_mbx.intrpt_id = intrpt_id; else sds_mbx.intrpt_id = 0xffff; sds_mbx.intrpt_val = 0; buf = &cmd.req.arg[index]; memcpy(buf, &sds_mbx, sds_mbx_size); index += sds_mbx_size / sizeof(u32); } /* set up receive rings, mbx 88-111/135 */ index = QLCNIC_HOST_RDS_MBX_IDX; rds = &recv_ctx->rds_rings[0]; rds->producer = 0; memset(&rds_mbx, 0, rds_mbx_size); rds_mbx.phy_addr_reg_low = LSD(rds->phys_addr); rds_mbx.phy_addr_reg_high = MSD(rds->phys_addr); rds_mbx.reg_ring_sz = rds->dma_size; rds_mbx.reg_ring_len = rds->num_desc; /* Jumbo ring */ rds = &recv_ctx->rds_rings[1]; rds->producer = 0; rds_mbx.phy_addr_jmb_low = LSD(rds->phys_addr); rds_mbx.phy_addr_jmb_high = MSD(rds->phys_addr); rds_mbx.jmb_ring_sz = rds->dma_size; rds_mbx.jmb_ring_len = rds->num_desc; buf = &cmd.req.arg[index]; memcpy(buf, &rds_mbx, rds_mbx_size); /* send the mailbox command */ err = ahw->hw_ops->mbx_cmd(adapter, &cmd); if (err) { dev_err(&adapter->pdev->dev, "Failed to create Rx ctx in firmware%d\n", err); goto out; } mbx_out = (struct qlcnic_rcv_mbx_out *)&cmd.rsp.arg[1]; recv_ctx->context_id = mbx_out->ctx_id; recv_ctx->state = mbx_out->state; recv_ctx->virt_port = mbx_out->vport_id; dev_info(&adapter->pdev->dev, "Rx Context[%d] Created, state:0x%x\n", recv_ctx->context_id, recv_ctx->state); /* Receive descriptor ring */ /* Standard ring */ rds = &recv_ctx->rds_rings[0]; rds->crb_rcv_producer = ahw->pci_base0 + mbx_out->host_prod[0].reg_buf; /* Jumbo ring */ rds = &recv_ctx->rds_rings[1]; rds->crb_rcv_producer = ahw->pci_base0 + mbx_out->host_prod[0].jmb_buf; /* status descriptor ring */ for (i = 0; i < num_sds; i++) { sds = &recv_ctx->sds_rings[i]; sds->crb_sts_consumer = ahw->pci_base0 + mbx_out->host_csmr[i]; if (adapter->flags & QLCNIC_MSIX_ENABLED) intr_mask = ahw->intr_tbl[i].src; else intr_mask = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); sds->crb_intr_mask = ahw->pci_base0 + intr_mask; } if (adapter->drv_sds_rings > QLCNIC_MAX_SDS_RINGS) err = qlcnic_83xx_add_rings(adapter); out: qlcnic_free_mbx_args(&cmd); return err; } void qlcnic_83xx_del_tx_ctx(struct qlcnic_adapter *adapter, struct qlcnic_host_tx_ring *tx_ring) { struct qlcnic_cmd_args cmd; u32 temp = 0; if (qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_DESTROY_TX_CTX)) return; if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) cmd.req.arg[0] |= (0x3 << 29); if (qlcnic_sriov_pf_check(adapter)) qlcnic_pf_set_interface_id_del_tx_ctx(adapter, &temp); cmd.req.arg[1] = tx_ring->ctx_id | temp; if (qlcnic_issue_cmd(adapter, &cmd)) dev_err(&adapter->pdev->dev, "Failed to destroy tx ctx in firmware\n"); qlcnic_free_mbx_args(&cmd); } int qlcnic_83xx_create_tx_ctx(struct qlcnic_adapter *adapter, struct qlcnic_host_tx_ring *tx, int ring) { int err; u16 msix_id; u32 *buf, intr_mask, temp = 0; struct qlcnic_cmd_args cmd; struct qlcnic_tx_mbx mbx; struct qlcnic_tx_mbx_out *mbx_out; struct qlcnic_hardware_context *ahw = adapter->ahw; u32 msix_vector; /* Reset host resources */ tx->producer = 0; tx->sw_consumer = 0; *(tx->hw_consumer) = 0; memset(&mbx, 0, sizeof(struct qlcnic_tx_mbx)); /* setup mailbox inbox registerss */ mbx.phys_addr_low = LSD(tx->phys_addr); mbx.phys_addr_high = MSD(tx->phys_addr); mbx.cnsmr_index_low = LSD(tx->hw_cons_phys_addr); mbx.cnsmr_index_high = MSD(tx->hw_cons_phys_addr); mbx.size = tx->num_desc; if (adapter->flags & QLCNIC_MSIX_ENABLED) { if (!(adapter->flags & QLCNIC_TX_INTR_SHARED)) msix_vector = adapter->drv_sds_rings + ring; else msix_vector = adapter->drv_sds_rings - 1; msix_id = ahw->intr_tbl[msix_vector].id; } else { msix_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); } if (adapter->ahw->diag_test != QLCNIC_LOOPBACK_TEST) mbx.intr_id = msix_id; else mbx.intr_id = 0xffff; mbx.src = 0; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CREATE_TX_CTX); if (err) return err; if (qlcnic_sriov_pf_check(adapter) || qlcnic_sriov_vf_check(adapter)) cmd.req.arg[0] |= (0x3 << 29); if (qlcnic_sriov_pf_check(adapter)) qlcnic_pf_set_interface_id_create_tx_ctx(adapter, &temp); cmd.req.arg[1] = QLCNIC_CAP0_LEGACY_CONTEXT; cmd.req.arg[5] = QLCNIC_SINGLE_RING | temp; buf = &cmd.req.arg[6]; memcpy(buf, &mbx, sizeof(struct qlcnic_tx_mbx)); /* send the mailbox command*/ err = qlcnic_issue_cmd(adapter, &cmd); if (err) { netdev_err(adapter->netdev, "Failed to create Tx ctx in firmware 0x%x\n", err); goto out; } mbx_out = (struct qlcnic_tx_mbx_out *)&cmd.rsp.arg[2]; tx->crb_cmd_producer = ahw->pci_base0 + mbx_out->host_prod; tx->ctx_id = mbx_out->ctx_id; if ((adapter->flags & QLCNIC_MSIX_ENABLED) && !(adapter->flags & QLCNIC_TX_INTR_SHARED)) { intr_mask = ahw->intr_tbl[adapter->drv_sds_rings + ring].src; tx->crb_intr_mask = ahw->pci_base0 + intr_mask; } netdev_info(adapter->netdev, "Tx Context[0x%x] Created, state:0x%x\n", tx->ctx_id, mbx_out->state); out: qlcnic_free_mbx_args(&cmd); return err; } static int qlcnic_83xx_diag_alloc_res(struct net_device *netdev, int test, u8 num_sds_ring) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_host_sds_ring *sds_ring; struct qlcnic_host_rds_ring *rds_ring; u16 adapter_state = adapter->is_up; u8 ring; int ret; netif_device_detach(netdev); if (netif_running(netdev)) __qlcnic_down(adapter, netdev); qlcnic_detach(adapter); adapter->drv_sds_rings = QLCNIC_SINGLE_RING; adapter->ahw->diag_test = test; adapter->ahw->linkup = 0; ret = qlcnic_attach(adapter); if (ret) { netif_device_attach(netdev); return ret; } ret = qlcnic_fw_create_ctx(adapter); if (ret) { qlcnic_detach(adapter); if (adapter_state == QLCNIC_ADAPTER_UP_MAGIC) { adapter->drv_sds_rings = num_sds_ring; qlcnic_attach(adapter); } netif_device_attach(netdev); return ret; } for (ring = 0; ring < adapter->max_rds_rings; ring++) { rds_ring = &adapter->recv_ctx->rds_rings[ring]; qlcnic_post_rx_buffers(adapter, rds_ring, ring); } if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &adapter->recv_ctx->sds_rings[ring]; qlcnic_enable_sds_intr(adapter, sds_ring); } } if (adapter->ahw->diag_test == QLCNIC_LOOPBACK_TEST) { adapter->ahw->loopback_state = 0; adapter->ahw->hw_ops->setup_link_event(adapter, 1); } set_bit(__QLCNIC_DEV_UP, &adapter->state); return 0; } static void qlcnic_83xx_diag_free_res(struct net_device *netdev, u8 drv_sds_rings) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_host_sds_ring *sds_ring; int ring; clear_bit(__QLCNIC_DEV_UP, &adapter->state); if (adapter->ahw->diag_test == QLCNIC_INTERRUPT_TEST) { for (ring = 0; ring < adapter->drv_sds_rings; ring++) { sds_ring = &adapter->recv_ctx->sds_rings[ring]; if (adapter->flags & QLCNIC_MSIX_ENABLED) qlcnic_disable_sds_intr(adapter, sds_ring); } } qlcnic_fw_destroy_ctx(adapter); qlcnic_detach(adapter); adapter->ahw->diag_test = 0; adapter->drv_sds_rings = drv_sds_rings; if (qlcnic_attach(adapter)) goto out; if (netif_running(netdev)) __qlcnic_up(adapter, netdev); out: netif_device_attach(netdev); } static void qlcnic_83xx_get_beacon_state(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_cmd_args cmd; u8 beacon_state; int err = 0; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG); if (!err) { err = qlcnic_issue_cmd(adapter, &cmd); if (!err) { beacon_state = cmd.rsp.arg[4]; if (beacon_state == QLCNIC_BEACON_DISABLE) ahw->beacon_state = QLC_83XX_BEACON_OFF; else if (beacon_state == QLC_83XX_ENABLE_BEACON) ahw->beacon_state = QLC_83XX_BEACON_ON; } } else { netdev_err(adapter->netdev, "Get beacon state failed, err=%d\n", err); } qlcnic_free_mbx_args(&cmd); return; } int qlcnic_83xx_config_led(struct qlcnic_adapter *adapter, u32 state, u32 beacon) { struct qlcnic_cmd_args cmd; u32 mbx_in; int i, status = 0; if (state) { /* Get LED configuration */ status = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LED_CONFIG); if (status) return status; status = qlcnic_issue_cmd(adapter, &cmd); if (status) { dev_err(&adapter->pdev->dev, "Get led config failed.\n"); goto mbx_err; } else { for (i = 0; i < 4; i++) adapter->ahw->mbox_reg[i] = cmd.rsp.arg[i+1]; } qlcnic_free_mbx_args(&cmd); /* Set LED Configuration */ mbx_in = (LSW(QLC_83XX_LED_CONFIG) << 16) | LSW(QLC_83XX_LED_CONFIG); status = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_LED_CONFIG); if (status) return status; cmd.req.arg[1] = mbx_in; cmd.req.arg[2] = mbx_in; cmd.req.arg[3] = mbx_in; if (beacon) cmd.req.arg[4] = QLC_83XX_ENABLE_BEACON; status = qlcnic_issue_cmd(adapter, &cmd); if (status) { dev_err(&adapter->pdev->dev, "Set led config failed.\n"); } mbx_err: qlcnic_free_mbx_args(&cmd); return status; } else { /* Restoring default LED configuration */ status = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_LED_CONFIG); if (status) return status; cmd.req.arg[1] = adapter->ahw->mbox_reg[0]; cmd.req.arg[2] = adapter->ahw->mbox_reg[1]; cmd.req.arg[3] = adapter->ahw->mbox_reg[2]; if (beacon) cmd.req.arg[4] = adapter->ahw->mbox_reg[3]; status = qlcnic_issue_cmd(adapter, &cmd); if (status) dev_err(&adapter->pdev->dev, "Restoring led config failed.\n"); qlcnic_free_mbx_args(&cmd); return status; } } int qlcnic_83xx_set_led(struct net_device *netdev, enum ethtool_phys_id_state state) { struct qlcnic_adapter *adapter = netdev_priv(netdev); int err = -EIO, active = 1; if (adapter->ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { netdev_warn(netdev, "LED test is not supported in non-privileged mode\n"); return -EOPNOTSUPP; } switch (state) { case ETHTOOL_ID_ACTIVE: if (test_and_set_bit(__QLCNIC_LED_ENABLE, &adapter->state)) return -EBUSY; if (test_bit(__QLCNIC_RESETTING, &adapter->state)) break; err = qlcnic_83xx_config_led(adapter, active, 0); if (err) netdev_err(netdev, "Failed to set LED blink state\n"); break; case ETHTOOL_ID_INACTIVE: active = 0; if (test_bit(__QLCNIC_RESETTING, &adapter->state)) break; err = qlcnic_83xx_config_led(adapter, active, 0); if (err) netdev_err(netdev, "Failed to reset LED blink state\n"); break; default: return -EINVAL; } if (!active || err) clear_bit(__QLCNIC_LED_ENABLE, &adapter->state); return err; } void qlcnic_83xx_initialize_nic(struct qlcnic_adapter *adapter, int enable) { struct qlcnic_cmd_args cmd; int status; if (qlcnic_sriov_vf_check(adapter)) return; if (enable) status = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INIT_NIC_FUNC); else status = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_STOP_NIC_FUNC); if (status) return; cmd.req.arg[1] = QLC_REGISTER_LB_IDC | QLC_INIT_FW_RESOURCES; if (adapter->dcb) cmd.req.arg[1] |= QLC_REGISTER_DCB_AEN; status = qlcnic_issue_cmd(adapter, &cmd); if (status) dev_err(&adapter->pdev->dev, "Failed to %s in NIC IDC function event.\n", (enable ? "register" : "unregister")); qlcnic_free_mbx_args(&cmd); } static int qlcnic_83xx_set_port_config(struct qlcnic_adapter *adapter) { struct qlcnic_cmd_args cmd; int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_PORT_CONFIG); if (err) return err; cmd.req.arg[1] = adapter->ahw->port_config; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_info(&adapter->pdev->dev, "Set Port Config failed.\n"); qlcnic_free_mbx_args(&cmd); return err; } static int qlcnic_83xx_get_port_config(struct qlcnic_adapter *adapter) { struct qlcnic_cmd_args cmd; int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PORT_CONFIG); if (err) return err; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_info(&adapter->pdev->dev, "Get Port config failed\n"); else adapter->ahw->port_config = cmd.rsp.arg[1]; qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_83xx_setup_link_event(struct qlcnic_adapter *adapter, int enable) { int err; u32 temp; struct qlcnic_cmd_args cmd; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_EVENT); if (err) return err; temp = adapter->recv_ctx->context_id << 16; cmd.req.arg[1] = (enable ? 1 : 0) | BIT_8 | temp; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_info(&adapter->pdev->dev, "Setup linkevent mailbox failed\n"); qlcnic_free_mbx_args(&cmd); return err; } static void qlcnic_83xx_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *interface_id) { if (qlcnic_sriov_pf_check(adapter)) { qlcnic_alloc_lb_filters_mem(adapter); qlcnic_pf_set_interface_id_promisc(adapter, interface_id); adapter->rx_mac_learn = true; } else { if (!qlcnic_sriov_vf_check(adapter)) *interface_id = adapter->recv_ctx->context_id << 16; } } int qlcnic_83xx_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode) { struct qlcnic_cmd_args *cmd = NULL; u32 temp = 0; int err; if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) return -EIO; cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); if (!cmd) return -ENOMEM; err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIGURE_MAC_RX_MODE); if (err) goto out; cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; qlcnic_83xx_set_interface_id_promisc(adapter, &temp); if (qlcnic_84xx_check(adapter) && qlcnic_sriov_pf_check(adapter)) mode = VPORT_MISS_MODE_ACCEPT_ALL; cmd->req.arg[1] = mode | temp; err = qlcnic_issue_cmd(adapter, cmd); if (!err) return err; qlcnic_free_mbx_args(cmd); out: kfree(cmd); return err; } int qlcnic_83xx_loopback_test(struct net_device *netdev, u8 mode) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_hardware_context *ahw = adapter->ahw; u8 drv_sds_rings = adapter->drv_sds_rings; u8 drv_tx_rings = adapter->drv_tx_rings; int ret = 0, loop = 0; if (ahw->op_mode == QLCNIC_NON_PRIV_FUNC) { netdev_warn(netdev, "Loopback test not supported in non privileged mode\n"); return -ENOTSUPP; } if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { netdev_info(netdev, "Device is resetting\n"); return -EBUSY; } if (qlcnic_get_diag_lock(adapter)) { netdev_info(netdev, "Device is in diagnostics mode\n"); return -EBUSY; } netdev_info(netdev, "%s loopback test in progress\n", mode == QLCNIC_ILB_MODE ? "internal" : "external"); ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_LOOPBACK_TEST, drv_sds_rings); if (ret) goto fail_diag_alloc; ret = qlcnic_83xx_set_lb_mode(adapter, mode); if (ret) goto free_diag_res; /* Poll for link up event before running traffic */ do { msleep(QLC_83XX_LB_MSLEEP_COUNT); if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { netdev_info(netdev, "Device is resetting, free LB test resources\n"); ret = -EBUSY; goto free_diag_res; } if (loop++ > QLC_83XX_LB_WAIT_COUNT) { netdev_info(netdev, "Firmware didn't sent link up event to loopback request\n"); ret = -ETIMEDOUT; qlcnic_83xx_clear_lb_mode(adapter, mode); goto free_diag_res; } } while ((adapter->ahw->linkup && ahw->has_link_events) != 1); ret = qlcnic_do_lb_test(adapter, mode); qlcnic_83xx_clear_lb_mode(adapter, mode); free_diag_res: qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); fail_diag_alloc: adapter->drv_sds_rings = drv_sds_rings; adapter->drv_tx_rings = drv_tx_rings; qlcnic_release_diag_lock(adapter); return ret; } static void qlcnic_extend_lb_idc_cmpltn_wait(struct qlcnic_adapter *adapter, u32 *max_wait_count) { struct qlcnic_hardware_context *ahw = adapter->ahw; int temp; netdev_info(adapter->netdev, "Received loopback IDC time extend event for 0x%x seconds\n", ahw->extend_lb_time); temp = ahw->extend_lb_time * 1000; *max_wait_count += temp / QLC_83XX_LB_MSLEEP_COUNT; ahw->extend_lb_time = 0; } static int qlcnic_83xx_set_lb_mode(struct qlcnic_adapter *adapter, u8 mode) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct net_device *netdev = adapter->netdev; u32 config, max_wait_count; int status = 0, loop = 0; ahw->extend_lb_time = 0; max_wait_count = QLC_83XX_LB_WAIT_COUNT; status = qlcnic_83xx_get_port_config(adapter); if (status) return status; config = ahw->port_config; /* Check if port is already in loopback mode */ if ((config & QLC_83XX_CFG_LOOPBACK_HSS) || (config & QLC_83XX_CFG_LOOPBACK_EXT)) { netdev_err(netdev, "Port already in Loopback mode.\n"); return -EINPROGRESS; } set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); if (mode == QLCNIC_ILB_MODE) ahw->port_config |= QLC_83XX_CFG_LOOPBACK_HSS; if (mode == QLCNIC_ELB_MODE) ahw->port_config |= QLC_83XX_CFG_LOOPBACK_EXT; status = qlcnic_83xx_set_port_config(adapter); if (status) { netdev_err(netdev, "Failed to Set Loopback Mode = 0x%x.\n", ahw->port_config); ahw->port_config = config; clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return status; } /* Wait for Link and IDC Completion AEN */ do { msleep(QLC_83XX_LB_MSLEEP_COUNT); if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { netdev_info(netdev, "Device is resetting, free LB test resources\n"); clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return -EBUSY; } if (ahw->extend_lb_time) qlcnic_extend_lb_idc_cmpltn_wait(adapter, &max_wait_count); if (loop++ > max_wait_count) { netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", __func__); clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); qlcnic_83xx_clear_lb_mode(adapter, mode); return -ETIMEDOUT; } } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, QLCNIC_MAC_ADD); return status; } static int qlcnic_83xx_clear_lb_mode(struct qlcnic_adapter *adapter, u8 mode) { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 config = ahw->port_config, max_wait_count; struct net_device *netdev = adapter->netdev; int status = 0, loop = 0; ahw->extend_lb_time = 0; max_wait_count = QLC_83XX_LB_WAIT_COUNT; set_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); if (mode == QLCNIC_ILB_MODE) ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_HSS; if (mode == QLCNIC_ELB_MODE) ahw->port_config &= ~QLC_83XX_CFG_LOOPBACK_EXT; status = qlcnic_83xx_set_port_config(adapter); if (status) { netdev_err(netdev, "Failed to Clear Loopback Mode = 0x%x.\n", ahw->port_config); ahw->port_config = config; clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return status; } /* Wait for Link and IDC Completion AEN */ do { msleep(QLC_83XX_LB_MSLEEP_COUNT); if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { netdev_info(netdev, "Device is resetting, free LB test resources\n"); clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return -EBUSY; } if (ahw->extend_lb_time) qlcnic_extend_lb_idc_cmpltn_wait(adapter, &max_wait_count); if (loop++ > max_wait_count) { netdev_err(netdev, "%s: Did not receive loopback IDC completion AEN\n", __func__); clear_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status); return -ETIMEDOUT; } } while (test_bit(QLC_83XX_IDC_COMP_AEN, &ahw->idc.status)); qlcnic_sre_macaddr_change(adapter, adapter->mac_addr, 0, QLCNIC_MAC_DEL); return status; } static void qlcnic_83xx_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *interface_id) { if (qlcnic_sriov_pf_check(adapter)) { qlcnic_pf_set_interface_id_ipaddr(adapter, interface_id); } else { if (!qlcnic_sriov_vf_check(adapter)) *interface_id = adapter->recv_ctx->context_id << 16; } } void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int mode) { int err; u32 temp = 0, temp_ip; struct qlcnic_cmd_args cmd; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_IP_ADDR); if (err) return; qlcnic_83xx_set_interface_id_ipaddr(adapter, &temp); if (mode == QLCNIC_IP_UP) cmd.req.arg[1] = 1 | temp; else cmd.req.arg[1] = 2 | temp; /* * Adapter needs IP address in network byte order. * But hardware mailbox registers go through writel(), hence IP address * gets swapped on big endian architecture. * To negate swapping of writel() on big endian architecture * use swab32(value). */ temp_ip = swab32(ntohl(ip)); memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32)); err = qlcnic_issue_cmd(adapter, &cmd); if (err != QLCNIC_RCODE_SUCCESS) dev_err(&adapter->netdev->dev, "could not notify %s IP 0x%x request\n", (mode == QLCNIC_IP_UP) ? "Add" : "Remove", ip); qlcnic_free_mbx_args(&cmd); } int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode) { int err; u32 temp, arg1; struct qlcnic_cmd_args cmd; int lro_bit_mask; lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0); if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) return 0; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO); if (err) return err; temp = adapter->recv_ctx->context_id << 16; arg1 = lro_bit_mask | temp; cmd.req.arg[1] = arg1; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_info(&adapter->pdev->dev, "LRO config failed\n"); qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_83xx_config_rss(struct qlcnic_adapter *adapter, int enable) { int err; u32 word; struct qlcnic_cmd_args cmd; const u64 key[] = { 0xbeac01fa6a42b73bULL, 0x8030f20c77cb2da3ULL, 0xae7b30b4d0ca2bcbULL, 0x43a38fb04167253dULL, 0x255b0ec26d5a56daULL }; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_RSS); if (err) return err; /* * RSS request: * bits 3-0: Rsvd * 5-4: hash_type_ipv4 * 7-6: hash_type_ipv6 * 8: enable * 9: use indirection table * 16-31: indirection table mask */ word = ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 4) | ((u32)(RSS_HASHTYPE_IP_TCP & 0x3) << 6) | ((u32)(enable & 0x1) << 8) | ((0x7ULL) << 16); cmd.req.arg[1] = (adapter->recv_ctx->context_id); cmd.req.arg[2] = word; memcpy(&cmd.req.arg[4], key, sizeof(key)); err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_info(&adapter->pdev->dev, "RSS config failed\n"); qlcnic_free_mbx_args(&cmd); return err; } static void qlcnic_83xx_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *interface_id) { if (qlcnic_sriov_pf_check(adapter)) { qlcnic_pf_set_interface_id_macaddr(adapter, interface_id); } else { if (!qlcnic_sriov_vf_check(adapter)) *interface_id = adapter->recv_ctx->context_id << 16; } } int qlcnic_83xx_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr, u16 vlan_id, u8 op) { struct qlcnic_cmd_args *cmd = NULL; struct qlcnic_macvlan_mbx mv; u32 *buf, temp = 0; int err; if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) return -EIO; cmd = kzalloc(sizeof(*cmd), GFP_ATOMIC); if (!cmd) return -ENOMEM; err = qlcnic_alloc_mbx_args(cmd, adapter, QLCNIC_CMD_CONFIG_MAC_VLAN); if (err) goto out; cmd->type = QLC_83XX_MBX_CMD_NO_WAIT; if (vlan_id) op = (op == QLCNIC_MAC_ADD || op == QLCNIC_MAC_VLAN_ADD) ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_VLAN_DEL; cmd->req.arg[1] = op | (1 << 8); qlcnic_83xx_set_interface_id_macaddr(adapter, &temp); cmd->req.arg[1] |= temp; mv.vlan = vlan_id; mv.mac_addr0 = addr[0]; mv.mac_addr1 = addr[1]; mv.mac_addr2 = addr[2]; mv.mac_addr3 = addr[3]; mv.mac_addr4 = addr[4]; mv.mac_addr5 = addr[5]; buf = &cmd->req.arg[2]; memcpy(buf, &mv, sizeof(struct qlcnic_macvlan_mbx)); err = qlcnic_issue_cmd(adapter, cmd); if (!err) return err; qlcnic_free_mbx_args(cmd); out: kfree(cmd); return err; } void qlcnic_83xx_change_l2_filter(struct qlcnic_adapter *adapter, u64 *addr, u16 vlan_id, struct qlcnic_host_tx_ring *tx_ring) { u8 mac[ETH_ALEN]; memcpy(&mac, addr, ETH_ALEN); qlcnic_83xx_sre_macaddr_change(adapter, mac, vlan_id, QLCNIC_MAC_ADD); } static void qlcnic_83xx_configure_mac(struct qlcnic_adapter *adapter, u8 *mac, u8 type, struct qlcnic_cmd_args *cmd) { switch (type) { case QLCNIC_SET_STATION_MAC: case QLCNIC_SET_FAC_DEF_MAC: memcpy(&cmd->req.arg[2], mac, sizeof(u32)); memcpy(&cmd->req.arg[3], &mac[4], sizeof(u16)); break; } cmd->req.arg[1] = type; } int qlcnic_83xx_get_mac_address(struct qlcnic_adapter *adapter, u8 *mac, u8 function) { int err, i; struct qlcnic_cmd_args cmd; u32 mac_low, mac_high; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_MAC_ADDRESS); if (err) return err; qlcnic_83xx_configure_mac(adapter, mac, QLCNIC_GET_CURRENT_MAC, &cmd); err = qlcnic_issue_cmd(adapter, &cmd); if (err == QLCNIC_RCODE_SUCCESS) { mac_low = cmd.rsp.arg[1]; mac_high = cmd.rsp.arg[2]; for (i = 0; i < 2; i++) mac[i] = (u8) (mac_high >> ((1 - i) * 8)); for (i = 2; i < 6; i++) mac[i] = (u8) (mac_low >> ((5 - i) * 8)); } else { dev_err(&adapter->pdev->dev, "Failed to get mac address%d\n", err); err = -EIO; } qlcnic_free_mbx_args(&cmd); return err; } static int qlcnic_83xx_set_rx_intr_coal(struct qlcnic_adapter *adapter) { struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; struct qlcnic_cmd_args cmd; u16 temp; int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); if (err) return err; temp = adapter->recv_ctx->context_id; cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_RX | temp << 16; temp = coal->rx_time_us; cmd.req.arg[2] = coal->rx_packets | temp << 16; cmd.req.arg[3] = coal->flag; err = qlcnic_issue_cmd(adapter, &cmd); if (err != QLCNIC_RCODE_SUCCESS) netdev_err(adapter->netdev, "failed to set interrupt coalescing parameters\n"); qlcnic_free_mbx_args(&cmd); return err; } static int qlcnic_83xx_set_tx_intr_coal(struct qlcnic_adapter *adapter) { struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; struct qlcnic_cmd_args cmd; u16 temp; int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTR_COAL); if (err) return err; temp = adapter->tx_ring->ctx_id; cmd.req.arg[1] = QLCNIC_INTR_COAL_TYPE_TX | temp << 16; temp = coal->tx_time_us; cmd.req.arg[2] = coal->tx_packets | temp << 16; cmd.req.arg[3] = coal->flag; err = qlcnic_issue_cmd(adapter, &cmd); if (err != QLCNIC_RCODE_SUCCESS) netdev_err(adapter->netdev, "failed to set interrupt coalescing parameters\n"); qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_83xx_set_rx_tx_intr_coal(struct qlcnic_adapter *adapter) { int err = 0; err = qlcnic_83xx_set_rx_intr_coal(adapter); if (err) netdev_err(adapter->netdev, "failed to set Rx coalescing parameters\n"); err = qlcnic_83xx_set_tx_intr_coal(adapter); if (err) netdev_err(adapter->netdev, "failed to set Tx coalescing parameters\n"); return err; } int qlcnic_83xx_config_intr_coal(struct qlcnic_adapter *adapter, struct ethtool_coalesce *ethcoal) { struct qlcnic_nic_intr_coalesce *coal = &adapter->ahw->coal; u32 rx_coalesce_usecs, rx_max_frames; u32 tx_coalesce_usecs, tx_max_frames; int err; if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) return -EIO; tx_coalesce_usecs = ethcoal->tx_coalesce_usecs; tx_max_frames = ethcoal->tx_max_coalesced_frames; rx_coalesce_usecs = ethcoal->rx_coalesce_usecs; rx_max_frames = ethcoal->rx_max_coalesced_frames; coal->flag = QLCNIC_INTR_DEFAULT; if ((coal->rx_time_us == rx_coalesce_usecs) && (coal->rx_packets == rx_max_frames)) { coal->type = QLCNIC_INTR_COAL_TYPE_TX; coal->tx_time_us = tx_coalesce_usecs; coal->tx_packets = tx_max_frames; } else if ((coal->tx_time_us == tx_coalesce_usecs) && (coal->tx_packets == tx_max_frames)) { coal->type = QLCNIC_INTR_COAL_TYPE_RX; coal->rx_time_us = rx_coalesce_usecs; coal->rx_packets = rx_max_frames; } else { coal->type = QLCNIC_INTR_COAL_TYPE_RX_TX; coal->rx_time_us = rx_coalesce_usecs; coal->rx_packets = rx_max_frames; coal->tx_time_us = tx_coalesce_usecs; coal->tx_packets = tx_max_frames; } switch (coal->type) { case QLCNIC_INTR_COAL_TYPE_RX: err = qlcnic_83xx_set_rx_intr_coal(adapter); break; case QLCNIC_INTR_COAL_TYPE_TX: err = qlcnic_83xx_set_tx_intr_coal(adapter); break; case QLCNIC_INTR_COAL_TYPE_RX_TX: err = qlcnic_83xx_set_rx_tx_intr_coal(adapter); break; default: err = -EINVAL; netdev_err(adapter->netdev, "Invalid Interrupt coalescing type\n"); break; } return err; } static void qlcnic_83xx_handle_link_aen(struct qlcnic_adapter *adapter, u32 data[]) { struct qlcnic_hardware_context *ahw = adapter->ahw; u8 link_status, duplex; /* link speed */ link_status = LSB(data[3]) & 1; if (link_status) { ahw->link_speed = MSW(data[2]); duplex = LSB(MSW(data[3])); if (duplex) ahw->link_duplex = DUPLEX_FULL; else ahw->link_duplex = DUPLEX_HALF; } else { ahw->link_speed = SPEED_UNKNOWN; ahw->link_duplex = DUPLEX_UNKNOWN; } ahw->link_autoneg = MSB(MSW(data[3])); ahw->module_type = MSB(LSW(data[3])); ahw->has_link_events = 1; ahw->lb_mode = data[4] & QLCNIC_LB_MODE_MASK; qlcnic_advert_link_change(adapter, link_status); } static irqreturn_t qlcnic_83xx_handle_aen(int irq, void *data) { u32 mask, resp, event, rsp_status = QLC_83XX_MBX_RESPONSE_ARRIVED; struct qlcnic_adapter *adapter = data; struct qlcnic_mailbox *mbx; unsigned long flags; mbx = adapter->ahw->mailbox; spin_lock_irqsave(&mbx->aen_lock, flags); resp = QLCRDX(adapter->ahw, QLCNIC_FW_MBX_CTRL); if (!(resp & QLCNIC_SET_OWNER)) goto out; event = readl(QLCNIC_MBX_FW(adapter->ahw, 0)); if (event & QLCNIC_MBX_ASYNC_EVENT) { __qlcnic_83xx_process_aen(adapter); } else { if (mbx->rsp_status != rsp_status) qlcnic_83xx_notify_mbx_response(mbx); else adapter->stats.mbx_spurious_intr++; } out: mask = QLCRDX(adapter->ahw, QLCNIC_DEF_INT_MASK); writel(0, adapter->ahw->pci_base0 + mask); spin_unlock_irqrestore(&mbx->aen_lock, flags); return IRQ_HANDLED; } int qlcnic_83xx_set_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *nic) { int i, err = -EIO; struct qlcnic_cmd_args cmd; if (adapter->ahw->op_mode != QLCNIC_MGMT_FUNC) { dev_err(&adapter->pdev->dev, "%s: Error, invoked by non management func\n", __func__); return err; } err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_SET_NIC_INFO); if (err) return err; cmd.req.arg[1] = (nic->pci_func << 16); cmd.req.arg[2] = 0x1 << 16; cmd.req.arg[3] = nic->phys_port | (nic->switch_mode << 16); cmd.req.arg[4] = nic->capabilities; cmd.req.arg[5] = (nic->max_mac_filters & 0xFF) | ((nic->max_mtu) << 16); cmd.req.arg[6] = (nic->max_tx_ques) | ((nic->max_rx_ques) << 16); cmd.req.arg[7] = (nic->min_tx_bw) | ((nic->max_tx_bw) << 16); for (i = 8; i < 32; i++) cmd.req.arg[i] = 0; err = qlcnic_issue_cmd(adapter, &cmd); if (err != QLCNIC_RCODE_SUCCESS) { dev_err(&adapter->pdev->dev, "Failed to set nic info%d\n", err); err = -EIO; } qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_83xx_get_nic_info(struct qlcnic_adapter *adapter, struct qlcnic_info *npar_info, u8 func_id) { int err; u32 temp; u8 op = 0; struct qlcnic_cmd_args cmd; struct qlcnic_hardware_context *ahw = adapter->ahw; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_NIC_INFO); if (err) return err; if (func_id != ahw->pci_func) { temp = func_id << 16; cmd.req.arg[1] = op | BIT_31 | temp; } else { cmd.req.arg[1] = ahw->pci_func << 16; } err = qlcnic_issue_cmd(adapter, &cmd); if (err) { dev_info(&adapter->pdev->dev, "Failed to get nic info %d\n", err); goto out; } npar_info->op_type = cmd.rsp.arg[1]; npar_info->pci_func = cmd.rsp.arg[2] & 0xFFFF; npar_info->op_mode = (cmd.rsp.arg[2] & 0xFFFF0000) >> 16; npar_info->phys_port = cmd.rsp.arg[3] & 0xFFFF; npar_info->switch_mode = (cmd.rsp.arg[3] & 0xFFFF0000) >> 16; npar_info->capabilities = cmd.rsp.arg[4]; npar_info->max_mac_filters = cmd.rsp.arg[5] & 0xFF; npar_info->max_mtu = (cmd.rsp.arg[5] & 0xFFFF0000) >> 16; npar_info->max_tx_ques = cmd.rsp.arg[6] & 0xFFFF; npar_info->max_rx_ques = (cmd.rsp.arg[6] & 0xFFFF0000) >> 16; npar_info->min_tx_bw = cmd.rsp.arg[7] & 0xFFFF; npar_info->max_tx_bw = (cmd.rsp.arg[7] & 0xFFFF0000) >> 16; if (cmd.rsp.arg[8] & 0x1) npar_info->max_bw_reg_offset = (cmd.rsp.arg[8] & 0x7FFE) >> 1; if (cmd.rsp.arg[8] & 0x10000) { temp = (cmd.rsp.arg[8] & 0x7FFE0000) >> 17; npar_info->max_linkspeed_reg_offset = temp; } memcpy(ahw->extra_capability, &cmd.rsp.arg[16], sizeof(ahw->extra_capability)); out: qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_get_pci_func_type(struct qlcnic_adapter *adapter, u16 type, u16 *nic, u16 *fcoe, u16 *iscsi) { struct device *dev = &adapter->pdev->dev; int err = 0; switch (type) { case QLCNIC_TYPE_NIC: (*nic)++; break; case QLCNIC_TYPE_FCOE: (*fcoe)++; break; case QLCNIC_TYPE_ISCSI: (*iscsi)++; break; default: dev_err(dev, "%s: Unknown PCI type[%x]\n", __func__, type); err = -EIO; } return err; } int qlcnic_83xx_get_pci_info(struct qlcnic_adapter *adapter, struct qlcnic_pci_info *pci_info) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct device *dev = &adapter->pdev->dev; u16 nic = 0, fcoe = 0, iscsi = 0; struct qlcnic_cmd_args cmd; int i, err = 0, j = 0; u32 temp; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_PCI_INFO); if (err) return err; err = qlcnic_issue_cmd(adapter, &cmd); ahw->total_nic_func = 0; if (err == QLCNIC_RCODE_SUCCESS) { ahw->max_pci_func = cmd.rsp.arg[1] & 0xFF; for (i = 2, j = 0; j < ahw->max_vnic_func; j++, pci_info++) { pci_info->id = cmd.rsp.arg[i] & 0xFFFF; pci_info->active = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; i++; if (!pci_info->active) { i += QLC_SKIP_INACTIVE_PCI_REGS; continue; } pci_info->type = cmd.rsp.arg[i] & 0xFFFF; err = qlcnic_get_pci_func_type(adapter, pci_info->type, &nic, &fcoe, &iscsi); temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; pci_info->default_port = temp; i++; pci_info->tx_min_bw = cmd.rsp.arg[i] & 0xFFFF; temp = (cmd.rsp.arg[i] & 0xFFFF0000) >> 16; pci_info->tx_max_bw = temp; i = i + 2; memcpy(pci_info->mac, &cmd.rsp.arg[i], ETH_ALEN - 2); i++; memcpy(pci_info->mac + sizeof(u32), &cmd.rsp.arg[i], 2); i = i + 3; } } else { dev_err(dev, "Failed to get PCI Info, error = %d\n", err); err = -EIO; } ahw->total_nic_func = nic; ahw->total_pci_func = nic + fcoe + iscsi; if (ahw->total_nic_func == 0 || ahw->total_pci_func == 0) { dev_err(dev, "%s: Invalid function count: total nic func[%x], total pci func[%x]\n", __func__, ahw->total_nic_func, ahw->total_pci_func); err = -EIO; } qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_83xx_config_intrpt(struct qlcnic_adapter *adapter, bool op_type) { int i, index, err; u8 max_ints; u32 val, temp, type; struct qlcnic_cmd_args cmd; max_ints = adapter->ahw->num_msix - 1; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIG_INTRPT); if (err) return err; cmd.req.arg[1] = max_ints; if (qlcnic_sriov_vf_check(adapter)) cmd.req.arg[1] |= (adapter->ahw->pci_func << 8) | BIT_16; for (i = 0, index = 2; i < max_ints; i++) { type = op_type ? QLCNIC_INTRPT_ADD : QLCNIC_INTRPT_DEL; val = type | (adapter->ahw->intr_tbl[i].type << 4); if (adapter->ahw->intr_tbl[i].type == QLCNIC_INTRPT_MSIX) val |= (adapter->ahw->intr_tbl[i].id << 16); cmd.req.arg[index++] = val; } err = qlcnic_issue_cmd(adapter, &cmd); if (err) { dev_err(&adapter->pdev->dev, "Failed to configure interrupts 0x%x\n", err); goto out; } max_ints = cmd.rsp.arg[1]; for (i = 0, index = 2; i < max_ints; i++, index += 2) { val = cmd.rsp.arg[index]; if (LSB(val)) { dev_info(&adapter->pdev->dev, "Can't configure interrupt %d\n", adapter->ahw->intr_tbl[i].id); continue; } if (op_type) { adapter->ahw->intr_tbl[i].id = MSW(val); adapter->ahw->intr_tbl[i].enabled = 1; temp = cmd.rsp.arg[index + 1]; adapter->ahw->intr_tbl[i].src = temp; } else { adapter->ahw->intr_tbl[i].id = i; adapter->ahw->intr_tbl[i].enabled = 0; adapter->ahw->intr_tbl[i].src = 0; } } out: qlcnic_free_mbx_args(&cmd); return err; } int qlcnic_83xx_lock_flash(struct qlcnic_adapter *adapter) { int id, timeout = 0; u32 status = 0; while (status == 0) { status = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK); if (status) break; if (++timeout >= QLC_83XX_FLASH_LOCK_TIMEOUT) { id = QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_LOCK_OWNER); dev_err(&adapter->pdev->dev, "%s: failed, lock held by %d\n", __func__, id); return -EIO; } usleep_range(1000, 2000); } QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, adapter->portnum); return 0; } void qlcnic_83xx_unlock_flash(struct qlcnic_adapter *adapter) { QLC_SHARED_REG_RD32(adapter, QLCNIC_FLASH_UNLOCK); QLC_SHARED_REG_WR32(adapter, QLCNIC_FLASH_LOCK_OWNER, 0xFF); } int qlcnic_83xx_lockless_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, u8 *p_data, int count) { u32 word, range, flash_offset, addr = flash_addr, ret; ulong indirect_add, direct_window; int i, err = 0; flash_offset = addr & (QLCNIC_FLASH_SECTOR_SIZE - 1); if (addr & 0x3) { dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); return -EIO; } qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW, (addr & 0xFFFF0000)); range = flash_offset + (count * sizeof(u32)); /* Check if data is spread across multiple sectors */ if (range > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { /* Multi sector read */ for (i = 0; i < count; i++) { indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); ret = QLCRD32(adapter, indirect_add, &err); if (err == -EIO) return err; word = ret; *(u32 *)p_data = word; p_data = p_data + 4; addr = addr + 4; flash_offset = flash_offset + 4; if (flash_offset > (QLCNIC_FLASH_SECTOR_SIZE - 1)) { direct_window = QLC_83XX_FLASH_DIRECT_WINDOW; /* This write is needed once for each sector */ qlcnic_83xx_wrt_reg_indirect(adapter, direct_window, (addr)); flash_offset = 0; } } } else { /* Single sector read */ for (i = 0; i < count; i++) { indirect_add = QLC_83XX_FLASH_DIRECT_DATA(addr); ret = QLCRD32(adapter, indirect_add, &err); if (err == -EIO) return err; word = ret; *(u32 *)p_data = word; p_data = p_data + 4; addr = addr + 4; } } return 0; } static int qlcnic_83xx_poll_flash_status_reg(struct qlcnic_adapter *adapter) { u32 status; int retries = QLC_83XX_FLASH_READ_RETRY_COUNT; int err = 0; do { status = QLCRD32(adapter, QLC_83XX_FLASH_STATUS, &err); if (err == -EIO) return err; if ((status & QLC_83XX_FLASH_STATUS_READY) == QLC_83XX_FLASH_STATUS_READY) break; usleep_range(1000, 1100); } while (--retries); if (!retries) return -EIO; return 0; } int qlcnic_83xx_enable_flash_write(struct qlcnic_adapter *adapter) { int ret; u32 cmd; cmd = adapter->ahw->fdt.write_statusreg_cmd; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | cmd)); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, adapter->ahw->fdt.write_enable_bits); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) return -EIO; return 0; } int qlcnic_83xx_disable_flash_write(struct qlcnic_adapter *adapter) { int ret; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, (QLC_83XX_FLASH_FDT_WRITE_DEF_SIG | adapter->ahw->fdt.write_statusreg_cmd)); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, adapter->ahw->fdt.write_disable_bits); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_SECOND_ERASE_MS_VAL); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) return -EIO; return 0; } int qlcnic_83xx_read_flash_mfg_id(struct qlcnic_adapter *adapter) { int ret, err = 0; u32 mfg_id; if (qlcnic_83xx_lock_flash(adapter)) return -EIO; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_FDT_READ_MFG_ID_VAL); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_READ_CTRL); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { qlcnic_83xx_unlock_flash(adapter); return -EIO; } mfg_id = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); if (err == -EIO) { qlcnic_83xx_unlock_flash(adapter); return err; } adapter->flash_mfg_id = (mfg_id & 0xFF); qlcnic_83xx_unlock_flash(adapter); return 0; } int qlcnic_83xx_read_flash_descriptor_table(struct qlcnic_adapter *adapter) { int count, fdt_size, ret = 0; fdt_size = sizeof(struct qlcnic_fdt); count = fdt_size / sizeof(u32); if (qlcnic_83xx_lock_flash(adapter)) return -EIO; memset(&adapter->ahw->fdt, 0, fdt_size); ret = qlcnic_83xx_lockless_flash_read32(adapter, QLCNIC_FDT_LOCATION, (u8 *)&adapter->ahw->fdt, count); qlcnic_swap32_buffer((u32 *)&adapter->ahw->fdt, count); qlcnic_83xx_unlock_flash(adapter); return ret; } int qlcnic_83xx_erase_flash_sector(struct qlcnic_adapter *adapter, u32 sector_start_addr) { u32 reversed_addr, addr1, addr2, cmd; int ret = -EIO; if (qlcnic_83xx_lock_flash(adapter) != 0) return -EIO; if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { ret = qlcnic_83xx_enable_flash_write(adapter); if (ret) { qlcnic_83xx_unlock_flash(adapter); dev_err(&adapter->pdev->dev, "%s failed at %d\n", __func__, __LINE__); return ret; } } ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { qlcnic_83xx_unlock_flash(adapter); dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return -EIO; } addr1 = (sector_start_addr & 0xFF) << 16; addr2 = (sector_start_addr & 0xFF0000) >> 16; reversed_addr = addr1 | addr2 | (sector_start_addr & 0xFF00); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, reversed_addr); cmd = QLC_83XX_FLASH_FDT_ERASE_DEF_SIG | adapter->ahw->fdt.erase_cmd; if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, cmd); else qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_OEM_ERASE_SIG); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_LAST_ERASE_MS_VAL); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { qlcnic_83xx_unlock_flash(adapter); dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return -EIO; } if (adapter->ahw->fdt.mfg_id == adapter->flash_mfg_id) { ret = qlcnic_83xx_disable_flash_write(adapter); if (ret) { qlcnic_83xx_unlock_flash(adapter); dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return ret; } } qlcnic_83xx_unlock_flash(adapter); return 0; } int qlcnic_83xx_flash_write32(struct qlcnic_adapter *adapter, u32 addr, u32 *p_data) { int ret = -EIO; u32 addr1 = 0x00800000 | (addr >> 2); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, addr1); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_LAST_ERASE_MS_VAL); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return -EIO; } return 0; } int qlcnic_83xx_flash_bulk_write(struct qlcnic_adapter *adapter, u32 addr, u32 *p_data, int count) { u32 temp; int ret = -EIO, err = 0; if ((count < QLC_83XX_FLASH_WRITE_MIN) || (count > QLC_83XX_FLASH_WRITE_MAX)) { dev_err(&adapter->pdev->dev, "%s: Invalid word count\n", __func__); return -EIO; } temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); if (err == -EIO) return err; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, (temp | QLC_83XX_FLASH_SPI_CTRL)); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_ADDR_TEMP_VAL); /* First DWORD write */ qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_FIRST_MS_PATTERN); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return -EIO; } count--; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_ADDR_SECOND_TEMP_VAL); /* Second to N-1 DWORD writes */ while (count != 1) { qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_SECOND_MS_PATTERN); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return -EIO; } count--; } qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_ADDR_TEMP_VAL | (addr >> 2)); /* Last DWORD write */ qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_WRDATA, *p_data++); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_LAST_MS_PATTERN); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); return -EIO; } ret = QLCRD32(adapter, QLC_83XX_FLASH_SPI_STATUS, &err); if (err == -EIO) return err; if ((ret & QLC_83XX_FLASH_SPI_CTRL) == QLC_83XX_FLASH_SPI_CTRL) { dev_err(&adapter->pdev->dev, "%s: failed at %d\n", __func__, __LINE__); /* Operation failed, clear error bit */ temp = QLCRD32(adapter, QLC_83XX_FLASH_SPI_CONTROL, &err); if (err == -EIO) return err; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_SPI_CONTROL, (temp | QLC_83XX_FLASH_SPI_CTRL)); } return 0; } static void qlcnic_83xx_recover_driver_lock(struct qlcnic_adapter *adapter) { u32 val, id; val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); /* Check if recovery need to be performed by the calling function */ if ((val & QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK) == 0) { val = val & ~0x3F; val = val | ((adapter->portnum << 2) | QLC_83XX_NEED_DRV_LOCK_RECOVERY); QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); dev_info(&adapter->pdev->dev, "%s: lock recovery initiated\n", __func__); mdelay(QLC_83XX_DRV_LOCK_RECOVERY_DELAY); val = QLCRDX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK); id = ((val >> 2) & 0xF); if (id == adapter->portnum) { val = val & ~QLC_83XX_DRV_LOCK_RECOVERY_STATUS_MASK; val = val | QLC_83XX_DRV_LOCK_RECOVERY_IN_PROGRESS; QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); /* Force release the lock */ QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); /* Clear recovery bits */ val = val & ~0x3F; QLCWRX(adapter->ahw, QLC_83XX_RECOVER_DRV_LOCK, val); dev_info(&adapter->pdev->dev, "%s: lock recovery completed\n", __func__); } else { dev_info(&adapter->pdev->dev, "%s: func %d to resume lock recovery process\n", __func__, id); } } else { dev_info(&adapter->pdev->dev, "%s: lock recovery initiated by other functions\n", __func__); } } int qlcnic_83xx_lock_driver(struct qlcnic_adapter *adapter) { u32 lock_alive_counter, val, id, i = 0, status = 0, temp = 0; int max_attempt = 0; while (status == 0) { status = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK); if (status) break; mdelay(QLC_83XX_DRV_LOCK_WAIT_DELAY); i++; if (i == 1) temp = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); if (i == QLC_83XX_DRV_LOCK_WAIT_COUNTER) { val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); if (val == temp) { id = val & 0xFF; dev_info(&adapter->pdev->dev, "%s: lock to be recovered from %d\n", __func__, id); qlcnic_83xx_recover_driver_lock(adapter); i = 0; max_attempt++; } else { dev_err(&adapter->pdev->dev, "%s: failed to get lock\n", __func__); return -EIO; } } /* Force exit from while loop after few attempts */ if (max_attempt == QLC_83XX_MAX_DRV_LOCK_RECOVERY_ATTEMPT) { dev_err(&adapter->pdev->dev, "%s: failed to get lock\n", __func__); return -EIO; } } val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); lock_alive_counter = val >> 8; lock_alive_counter++; val = lock_alive_counter << 8 | adapter->portnum; QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); return 0; } void qlcnic_83xx_unlock_driver(struct qlcnic_adapter *adapter) { u32 val, lock_alive_counter, id; val = QLCRDX(adapter->ahw, QLC_83XX_DRV_LOCK_ID); id = val & 0xFF; lock_alive_counter = val >> 8; if (id != adapter->portnum) dev_err(&adapter->pdev->dev, "%s:Warning func %d is unlocking lock owned by %d\n", __func__, adapter->portnum, id); val = (lock_alive_counter << 8) | 0xFF; QLCWRX(adapter->ahw, QLC_83XX_DRV_LOCK_ID, val); QLCRDX(adapter->ahw, QLC_83XX_DRV_UNLOCK); } int qlcnic_ms_mem_write128(struct qlcnic_adapter *adapter, u64 addr, u32 *data, u32 count) { int i, j, ret = 0; u32 temp; /* Check alignment */ if (addr & 0xF) return -EIO; mutex_lock(&adapter->ahw->mem_lock); qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_HI, 0); for (i = 0; i < count; i++, addr += 16) { if (!((ADDR_IN_RANGE(addr, QLCNIC_ADDR_QDR_NET, QLCNIC_ADDR_QDR_NET_MAX)) || (ADDR_IN_RANGE(addr, QLCNIC_ADDR_DDR_NET, QLCNIC_ADDR_DDR_NET_MAX)))) { mutex_unlock(&adapter->ahw->mem_lock); return -EIO; } qlcnic_ind_wr(adapter, QLCNIC_MS_ADDR_LO, addr); qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_LO, *data++); qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_HI, *data++); qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_ULO, *data++); qlcnic_ind_wr(adapter, QLCNIC_MS_WRTDATA_UHI, *data++); qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_ENABLE); qlcnic_ind_wr(adapter, QLCNIC_MS_CTRL, QLCNIC_TA_WRITE_START); for (j = 0; j < MAX_CTL_CHECK; j++) { temp = qlcnic_ind_rd(adapter, QLCNIC_MS_CTRL); if ((temp & TA_CTL_BUSY) == 0) break; } /* Status check failure */ if (j >= MAX_CTL_CHECK) { printk_ratelimited(KERN_WARNING "MS memory write failed\n"); mutex_unlock(&adapter->ahw->mem_lock); return -EIO; } } mutex_unlock(&adapter->ahw->mem_lock); return ret; } int qlcnic_83xx_flash_read32(struct qlcnic_adapter *adapter, u32 flash_addr, u8 *p_data, int count) { u32 word, addr = flash_addr, ret; ulong indirect_addr; int i, err = 0; if (qlcnic_83xx_lock_flash(adapter) != 0) return -EIO; if (addr & 0x3) { dev_err(&adapter->pdev->dev, "Illegal addr = 0x%x\n", addr); qlcnic_83xx_unlock_flash(adapter); return -EIO; } for (i = 0; i < count; i++) { if (qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_DIRECT_WINDOW, (addr))) { qlcnic_83xx_unlock_flash(adapter); return -EIO; } indirect_addr = QLC_83XX_FLASH_DIRECT_DATA(addr); ret = QLCRD32(adapter, indirect_addr, &err); if (err == -EIO) { qlcnic_83xx_unlock_flash(adapter); return err; } word = ret; *(u32 *)p_data = word; p_data = p_data + 4; addr = addr + 4; } qlcnic_83xx_unlock_flash(adapter); return 0; } void qlcnic_83xx_get_port_type(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_cmd_args cmd; u32 config; int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); if (err) return; err = qlcnic_issue_cmd(adapter, &cmd); if (err) { dev_info(&adapter->pdev->dev, "Get Link Status Command failed: 0x%x\n", err); goto out; } else { config = cmd.rsp.arg[3]; switch (QLC_83XX_SFP_MODULE_TYPE(config)) { case QLC_83XX_MODULE_FIBRE_1000BASE_SX: case QLC_83XX_MODULE_FIBRE_1000BASE_LX: case QLC_83XX_MODULE_FIBRE_1000BASE_CX: case QLC_83XX_MODULE_TP_1000BASE_T: ahw->port_type = QLCNIC_GBE; break; default: ahw->port_type = QLCNIC_XGBE; } } out: qlcnic_free_mbx_args(&cmd); } int qlcnic_83xx_test_link(struct qlcnic_adapter *adapter) { u8 pci_func; int err; u32 config = 0, state; struct qlcnic_cmd_args cmd; struct qlcnic_hardware_context *ahw = adapter->ahw; if (qlcnic_sriov_vf_check(adapter)) pci_func = adapter->portnum; else pci_func = ahw->pci_func; state = readl(ahw->pci_base0 + QLC_83XX_LINK_STATE(pci_func)); if (!QLC_83xx_FUNC_VAL(state, pci_func)) { dev_info(&adapter->pdev->dev, "link state down\n"); return config; } err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_LINK_STATUS); if (err) return err; err = qlcnic_issue_cmd(adapter, &cmd); if (err) { dev_info(&adapter->pdev->dev, "Get Link Status Command failed: 0x%x\n", err); goto out; } else { config = cmd.rsp.arg[1]; switch (QLC_83XX_CURRENT_LINK_SPEED(config)) { case QLC_83XX_10M_LINK: ahw->link_speed = SPEED_10; break; case QLC_83XX_100M_LINK: ahw->link_speed = SPEED_100; break; case QLC_83XX_1G_LINK: ahw->link_speed = SPEED_1000; break; case QLC_83XX_10G_LINK: ahw->link_speed = SPEED_10000; break; default: ahw->link_speed = 0; break; } config = cmd.rsp.arg[3]; switch (QLC_83XX_SFP_MODULE_TYPE(config)) { case QLC_83XX_MODULE_FIBRE_10GBASE_LRM: case QLC_83XX_MODULE_FIBRE_10GBASE_LR: case QLC_83XX_MODULE_FIBRE_10GBASE_SR: ahw->supported_type = PORT_FIBRE; ahw->port_type = QLCNIC_XGBE; break; case QLC_83XX_MODULE_FIBRE_1000BASE_SX: case QLC_83XX_MODULE_FIBRE_1000BASE_LX: case QLC_83XX_MODULE_FIBRE_1000BASE_CX: ahw->supported_type = PORT_FIBRE; ahw->port_type = QLCNIC_GBE; break; case QLC_83XX_MODULE_TP_1000BASE_T: ahw->supported_type = PORT_TP; ahw->port_type = QLCNIC_GBE; break; case QLC_83XX_MODULE_DA_10GE_PASSIVE_CP: case QLC_83XX_MODULE_DA_10GE_ACTIVE_CP: case QLC_83XX_MODULE_DA_10GE_LEGACY_CP: case QLC_83XX_MODULE_DA_1GE_PASSIVE_CP: ahw->supported_type = PORT_DA; ahw->port_type = QLCNIC_XGBE; break; default: ahw->supported_type = PORT_OTHER; ahw->port_type = QLCNIC_XGBE; } if (config & 1) err = 1; } out: qlcnic_free_mbx_args(&cmd); return config; } int qlcnic_83xx_get_link_ksettings(struct qlcnic_adapter *adapter, struct ethtool_link_ksettings *ecmd) { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 config = 0; int status = 0; u32 supported, advertising; if (!test_bit(__QLCNIC_MAINTENANCE_MODE, &adapter->state)) { /* Get port configuration info */ status = qlcnic_83xx_get_port_info(adapter); /* Get Link Status related info */ config = qlcnic_83xx_test_link(adapter); ahw->module_type = QLC_83XX_SFP_MODULE_TYPE(config); } /* hard code until there is a way to get it from flash */ ahw->board_type = QLCNIC_BRDTYPE_83XX_10G; if (netif_running(adapter->netdev) && ahw->has_link_events) { ecmd->base.speed = ahw->link_speed; ecmd->base.duplex = ahw->link_duplex; ecmd->base.autoneg = ahw->link_autoneg; } else { ecmd->base.speed = SPEED_UNKNOWN; ecmd->base.duplex = DUPLEX_UNKNOWN; ecmd->base.autoneg = AUTONEG_DISABLE; } supported = (SUPPORTED_10baseT_Full | SUPPORTED_100baseT_Full | SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full | SUPPORTED_Autoneg); ethtool_convert_link_mode_to_legacy_u32(&advertising, ecmd->link_modes.advertising); if (ecmd->base.autoneg == AUTONEG_ENABLE) { if (ahw->port_config & QLC_83XX_10_CAPABLE) advertising |= SUPPORTED_10baseT_Full; if (ahw->port_config & QLC_83XX_100_CAPABLE) advertising |= SUPPORTED_100baseT_Full; if (ahw->port_config & QLC_83XX_1G_CAPABLE) advertising |= SUPPORTED_1000baseT_Full; if (ahw->port_config & QLC_83XX_10G_CAPABLE) advertising |= SUPPORTED_10000baseT_Full; if (ahw->port_config & QLC_83XX_AUTONEG_ENABLE) advertising |= ADVERTISED_Autoneg; } else { switch (ahw->link_speed) { case SPEED_10: advertising = SUPPORTED_10baseT_Full; break; case SPEED_100: advertising = SUPPORTED_100baseT_Full; break; case SPEED_1000: advertising = SUPPORTED_1000baseT_Full; break; case SPEED_10000: advertising = SUPPORTED_10000baseT_Full; break; default: break; } } switch (ahw->supported_type) { case PORT_FIBRE: supported |= SUPPORTED_FIBRE; advertising |= ADVERTISED_FIBRE; ecmd->base.port = PORT_FIBRE; break; case PORT_TP: supported |= SUPPORTED_TP; advertising |= ADVERTISED_TP; ecmd->base.port = PORT_TP; break; case PORT_DA: supported |= SUPPORTED_FIBRE; advertising |= ADVERTISED_FIBRE; ecmd->base.port = PORT_DA; break; default: supported |= SUPPORTED_FIBRE; advertising |= ADVERTISED_FIBRE; ecmd->base.port = PORT_OTHER; break; } ecmd->base.phy_address = ahw->physical_port; ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.supported, supported); ethtool_convert_legacy_u32_to_link_mode(ecmd->link_modes.advertising, advertising); return status; } int qlcnic_83xx_set_link_ksettings(struct qlcnic_adapter *adapter, const struct ethtool_link_ksettings *ecmd) { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 config = adapter->ahw->port_config; int status = 0; /* 83xx devices do not support Half duplex */ if (ecmd->base.duplex == DUPLEX_HALF) { netdev_info(adapter->netdev, "Half duplex mode not supported\n"); return -EINVAL; } if (ecmd->base.autoneg) { ahw->port_config |= QLC_83XX_AUTONEG_ENABLE; ahw->port_config |= (QLC_83XX_100_CAPABLE | QLC_83XX_1G_CAPABLE | QLC_83XX_10G_CAPABLE); } else { /* force speed */ ahw->port_config &= ~QLC_83XX_AUTONEG_ENABLE; switch (ecmd->base.speed) { case SPEED_10: ahw->port_config &= ~(QLC_83XX_100_CAPABLE | QLC_83XX_1G_CAPABLE | QLC_83XX_10G_CAPABLE); ahw->port_config |= QLC_83XX_10_CAPABLE; break; case SPEED_100: ahw->port_config &= ~(QLC_83XX_10_CAPABLE | QLC_83XX_1G_CAPABLE | QLC_83XX_10G_CAPABLE); ahw->port_config |= QLC_83XX_100_CAPABLE; break; case SPEED_1000: ahw->port_config &= ~(QLC_83XX_10_CAPABLE | QLC_83XX_100_CAPABLE | QLC_83XX_10G_CAPABLE); ahw->port_config |= QLC_83XX_1G_CAPABLE; break; case SPEED_10000: ahw->port_config &= ~(QLC_83XX_10_CAPABLE | QLC_83XX_100_CAPABLE | QLC_83XX_1G_CAPABLE); ahw->port_config |= QLC_83XX_10G_CAPABLE; break; default: return -EINVAL; } } status = qlcnic_83xx_set_port_config(adapter); if (status) { netdev_info(adapter->netdev, "Failed to Set Link Speed and autoneg.\n"); ahw->port_config = config; } return status; } static inline u64 *qlcnic_83xx_copy_stats(struct qlcnic_cmd_args *cmd, u64 *data, int index) { u32 low, hi; u64 val; low = cmd->rsp.arg[index]; hi = cmd->rsp.arg[index + 1]; val = (((u64) low) | (((u64) hi) << 32)); *data++ = val; return data; } static u64 *qlcnic_83xx_fill_stats(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd, u64 *data, int type, int *ret) { int err, k, total_regs; *ret = 0; err = qlcnic_issue_cmd(adapter, cmd); if (err != QLCNIC_RCODE_SUCCESS) { dev_info(&adapter->pdev->dev, "Error in get statistics mailbox command\n"); *ret = -EIO; return data; } total_regs = cmd->rsp.num; switch (type) { case QLC_83XX_STAT_MAC: /* fill in MAC tx counters */ for (k = 2; k < 28; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); /* skip 24 bytes of reserved area */ /* fill in MAC rx counters */ for (k += 6; k < 60; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); /* skip 24 bytes of reserved area */ /* fill in MAC rx frame stats */ for (k += 6; k < 80; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); /* fill in eSwitch stats */ for (; k < total_regs; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); break; case QLC_83XX_STAT_RX: for (k = 2; k < 8; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); /* skip 8 bytes of reserved data */ for (k += 2; k < 24; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); /* skip 8 bytes containing RE1FBQ error data */ for (k += 2; k < total_regs; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); break; case QLC_83XX_STAT_TX: for (k = 2; k < 10; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); /* skip 8 bytes of reserved data */ for (k += 2; k < total_regs; k += 2) data = qlcnic_83xx_copy_stats(cmd, data, k); break; default: dev_warn(&adapter->pdev->dev, "Unknown get statistics mode\n"); *ret = -EIO; } return data; } void qlcnic_83xx_get_stats(struct qlcnic_adapter *adapter, u64 *data) { struct qlcnic_cmd_args cmd; struct net_device *netdev = adapter->netdev; int ret = 0; ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_GET_STATISTICS); if (ret) return; /* Get Tx stats */ cmd.req.arg[1] = BIT_1 | (adapter->tx_ring->ctx_id << 16); cmd.rsp.num = QLC_83XX_TX_STAT_REGS; data = qlcnic_83xx_fill_stats(adapter, &cmd, data, QLC_83XX_STAT_TX, &ret); if (ret) { netdev_err(netdev, "Error getting Tx stats\n"); goto out; } /* Get MAC stats */ cmd.req.arg[1] = BIT_2 | (adapter->portnum << 16); cmd.rsp.num = QLC_83XX_MAC_STAT_REGS; memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); data = qlcnic_83xx_fill_stats(adapter, &cmd, data, QLC_83XX_STAT_MAC, &ret); if (ret) { netdev_err(netdev, "Error getting MAC stats\n"); goto out; } /* Get Rx stats */ cmd.req.arg[1] = adapter->recv_ctx->context_id << 16; cmd.rsp.num = QLC_83XX_RX_STAT_REGS; memset(cmd.rsp.arg, 0, sizeof(u32) * cmd.rsp.num); data = qlcnic_83xx_fill_stats(adapter, &cmd, data, QLC_83XX_STAT_RX, &ret); if (ret) netdev_err(netdev, "Error getting Rx stats\n"); out: qlcnic_free_mbx_args(&cmd); } #define QLCNIC_83XX_ADD_PORT0 BIT_0 #define QLCNIC_83XX_ADD_PORT1 BIT_1 #define QLCNIC_83XX_EXTENDED_MEM_SIZE 13 /* In MB */ int qlcnic_83xx_extend_md_capab(struct qlcnic_adapter *adapter) { struct qlcnic_cmd_args cmd; int err; err = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_83XX_EXTEND_ISCSI_DUMP_CAP); if (err) return err; cmd.req.arg[1] = (QLCNIC_83XX_ADD_PORT0 | QLCNIC_83XX_ADD_PORT1); cmd.req.arg[2] = QLCNIC_83XX_EXTENDED_MEM_SIZE; cmd.req.arg[3] = QLCNIC_83XX_EXTENDED_MEM_SIZE; err = qlcnic_issue_cmd(adapter, &cmd); if (err) dev_err(&adapter->pdev->dev, "failed to issue extend iSCSI minidump capability\n"); return err; } int qlcnic_83xx_reg_test(struct qlcnic_adapter *adapter) { u32 major, minor, sub; major = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MAJOR); minor = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_MINOR); sub = QLC_SHARED_REG_RD32(adapter, QLCNIC_FW_VERSION_SUB); if (adapter->fw_version != QLCNIC_VERSION_CODE(major, minor, sub)) { dev_info(&adapter->pdev->dev, "%s: Reg test failed\n", __func__); return 1; } return 0; } inline int qlcnic_83xx_get_regs_len(struct qlcnic_adapter *adapter) { return (ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl) * sizeof(*adapter->ahw->ext_reg_tbl)) + (ARRAY_SIZE(qlcnic_83xx_reg_tbl) * sizeof(*adapter->ahw->reg_tbl)); } int qlcnic_83xx_get_registers(struct qlcnic_adapter *adapter, u32 *regs_buff) { int i, j = 0; for (i = QLCNIC_DEV_INFO_SIZE + 1; j < ARRAY_SIZE(qlcnic_83xx_reg_tbl); i++, j++) regs_buff[i] = QLC_SHARED_REG_RD32(adapter, j); for (j = 0; j < ARRAY_SIZE(qlcnic_83xx_ext_reg_tbl); j++) regs_buff[i++] = QLCRDX(adapter->ahw, j); return i; } int qlcnic_83xx_interrupt_test(struct net_device *netdev) { struct qlcnic_adapter *adapter = netdev_priv(netdev); struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_cmd_args cmd; u8 val, drv_sds_rings = adapter->drv_sds_rings; u8 drv_tx_rings = adapter->drv_tx_rings; u32 data; u16 intrpt_id, id; int ret; if (test_bit(__QLCNIC_RESETTING, &adapter->state)) { netdev_info(netdev, "Device is resetting\n"); return -EBUSY; } if (qlcnic_get_diag_lock(adapter)) { netdev_info(netdev, "Device in diagnostics mode\n"); return -EBUSY; } ret = qlcnic_83xx_diag_alloc_res(netdev, QLCNIC_INTERRUPT_TEST, drv_sds_rings); if (ret) goto fail_diag_irq; ahw->diag_cnt = 0; ret = qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_INTRPT_TEST); if (ret) goto fail_mbx_args; if (adapter->flags & QLCNIC_MSIX_ENABLED) intrpt_id = ahw->intr_tbl[0].id; else intrpt_id = QLCRDX(ahw, QLCNIC_DEF_INT_ID); cmd.req.arg[1] = 1; cmd.req.arg[2] = intrpt_id; cmd.req.arg[3] = BIT_0; ret = qlcnic_issue_cmd(adapter, &cmd); data = cmd.rsp.arg[2]; id = LSW(data); val = LSB(MSW(data)); if (id != intrpt_id) dev_info(&adapter->pdev->dev, "Interrupt generated: 0x%x, requested:0x%x\n", id, intrpt_id); if (val) dev_err(&adapter->pdev->dev, "Interrupt test error: 0x%x\n", val); if (ret) goto done; msleep(20); ret = !ahw->diag_cnt; done: qlcnic_free_mbx_args(&cmd); fail_mbx_args: qlcnic_83xx_diag_free_res(netdev, drv_sds_rings); fail_diag_irq: adapter->drv_sds_rings = drv_sds_rings; adapter->drv_tx_rings = drv_tx_rings; qlcnic_release_diag_lock(adapter); return ret; } void qlcnic_83xx_get_pauseparam(struct qlcnic_adapter *adapter, struct ethtool_pauseparam *pause) { struct qlcnic_hardware_context *ahw = adapter->ahw; int status = 0; u32 config; status = qlcnic_83xx_get_port_config(adapter); if (status) { dev_err(&adapter->pdev->dev, "%s: Get Pause Config failed\n", __func__); return; } config = ahw->port_config; if (config & QLC_83XX_CFG_STD_PAUSE) { switch (MSW(config)) { case QLC_83XX_TX_PAUSE: pause->tx_pause = 1; break; case QLC_83XX_RX_PAUSE: pause->rx_pause = 1; break; case QLC_83XX_TX_RX_PAUSE: default: /* Backward compatibility for existing * flash definitions */ pause->tx_pause = 1; pause->rx_pause = 1; } } if (QLC_83XX_AUTONEG(config)) pause->autoneg = 1; } int qlcnic_83xx_set_pauseparam(struct qlcnic_adapter *adapter, struct ethtool_pauseparam *pause) { struct qlcnic_hardware_context *ahw = adapter->ahw; int status = 0; u32 config; status = qlcnic_83xx_get_port_config(adapter); if (status) { dev_err(&adapter->pdev->dev, "%s: Get Pause Config failed.\n", __func__); return status; } config = ahw->port_config; if (ahw->port_type == QLCNIC_GBE) { if (pause->autoneg) ahw->port_config |= QLC_83XX_ENABLE_AUTONEG; if (!pause->autoneg) ahw->port_config &= ~QLC_83XX_ENABLE_AUTONEG; } else if ((ahw->port_type == QLCNIC_XGBE) && (pause->autoneg)) { return -EOPNOTSUPP; } if (!(config & QLC_83XX_CFG_STD_PAUSE)) ahw->port_config |= QLC_83XX_CFG_STD_PAUSE; if (pause->rx_pause && pause->tx_pause) { ahw->port_config |= QLC_83XX_CFG_STD_TX_RX_PAUSE; } else if (pause->rx_pause && !pause->tx_pause) { ahw->port_config &= ~QLC_83XX_CFG_STD_TX_PAUSE; ahw->port_config |= QLC_83XX_CFG_STD_RX_PAUSE; } else if (pause->tx_pause && !pause->rx_pause) { ahw->port_config &= ~QLC_83XX_CFG_STD_RX_PAUSE; ahw->port_config |= QLC_83XX_CFG_STD_TX_PAUSE; } else if (!pause->rx_pause && !pause->tx_pause) { ahw->port_config &= ~(QLC_83XX_CFG_STD_TX_RX_PAUSE | QLC_83XX_CFG_STD_PAUSE); } status = qlcnic_83xx_set_port_config(adapter); if (status) { dev_err(&adapter->pdev->dev, "%s: Set Pause Config failed.\n", __func__); ahw->port_config = config; } return status; } static int qlcnic_83xx_read_flash_status_reg(struct qlcnic_adapter *adapter) { int ret, err = 0; u32 temp; qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_ADDR, QLC_83XX_FLASH_OEM_READ_SIG); qlcnic_83xx_wrt_reg_indirect(adapter, QLC_83XX_FLASH_CONTROL, QLC_83XX_FLASH_READ_CTRL); ret = qlcnic_83xx_poll_flash_status_reg(adapter); if (ret) return -EIO; temp = QLCRD32(adapter, QLC_83XX_FLASH_RDDATA, &err); if (err == -EIO) return err; return temp & 0xFF; } int qlcnic_83xx_flash_test(struct qlcnic_adapter *adapter) { int status; status = qlcnic_83xx_read_flash_status_reg(adapter); if (status == -EIO) { dev_info(&adapter->pdev->dev, "%s: EEPROM test failed.\n", __func__); return 1; } return 0; } static int qlcnic_83xx_shutdown(struct pci_dev *pdev) { struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; netif_device_detach(netdev); qlcnic_cancel_idc_work(adapter); if (netif_running(netdev)) qlcnic_down(adapter, netdev); qlcnic_83xx_disable_mbx_intr(adapter); cancel_delayed_work_sync(&adapter->idc_aen_work); return pci_save_state(pdev); } static int qlcnic_83xx_resume(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlc_83xx_idc *idc = &ahw->idc; int err = 0; err = qlcnic_83xx_idc_init(adapter); if (err) return err; if (ahw->nic_mode == QLCNIC_VNIC_MODE) { if (ahw->op_mode == QLCNIC_MGMT_FUNC) { qlcnic_83xx_set_vnic_opmode(adapter); } else { err = qlcnic_83xx_check_vnic_state(adapter); if (err) return err; } } err = qlcnic_83xx_idc_reattach_driver(adapter); if (err) return err; qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state, idc->delay); return err; } void qlcnic_83xx_reinit_mbx_work(struct qlcnic_mailbox *mbx) { reinit_completion(&mbx->completion); set_bit(QLC_83XX_MBX_READY, &mbx->status); } void qlcnic_83xx_free_mailbox(struct qlcnic_mailbox *mbx) { if (!mbx) return; destroy_workqueue(mbx->work_q); kfree(mbx); } static inline void qlcnic_83xx_notify_cmd_completion(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_ARRIVED); if (cmd->type == QLC_83XX_MBX_CMD_NO_WAIT) { qlcnic_free_mbx_args(cmd); kfree(cmd); return; } complete(&cmd->completion); } static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter) { struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; struct list_head *head = &mbx->cmd_q; struct qlcnic_cmd_args *cmd = NULL; spin_lock_bh(&mbx->queue_lock); while (!list_empty(head)) { cmd = list_entry(head->next, struct qlcnic_cmd_args, list); dev_info(&adapter->pdev->dev, "%s: Mailbox command 0x%x\n", __func__, cmd->cmd_op); list_del(&cmd->list); mbx->num_cmds--; qlcnic_83xx_notify_cmd_completion(adapter, cmd); } spin_unlock_bh(&mbx->queue_lock); } static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_mailbox *mbx = ahw->mailbox; u32 host_mbx_ctrl; if (!test_bit(QLC_83XX_MBX_READY, &mbx->status)) return -EBUSY; host_mbx_ctrl = QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL); if (host_mbx_ctrl) { clear_bit(QLC_83XX_MBX_READY, &mbx->status); ahw->idc.collect_dump = 1; return -EIO; } return 0; } static inline void qlcnic_83xx_signal_mbx_cmd(struct qlcnic_adapter *adapter, u8 issue_cmd) { if (issue_cmd) QLCWRX(adapter->ahw, QLCNIC_HOST_MBX_CTRL, QLCNIC_SET_OWNER); else QLCWRX(adapter->ahw, QLCNIC_FW_MBX_CTRL, QLCNIC_CLR_OWNER); } static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; spin_lock_bh(&mbx->queue_lock); list_del(&cmd->list); mbx->num_cmds--; spin_unlock_bh(&mbx->queue_lock); qlcnic_83xx_notify_cmd_completion(adapter, cmd); } static void qlcnic_83xx_encode_mbx_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { u32 mbx_cmd, fw_hal_version, hdr_size, total_size, tmp; struct qlcnic_hardware_context *ahw = adapter->ahw; int i, j; if (cmd->op_type != QLC_83XX_MBX_POST_BC_OP) { mbx_cmd = cmd->req.arg[0]; writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); for (i = 1; i < cmd->req.num; i++) writel(cmd->req.arg[i], QLCNIC_MBX_HOST(ahw, i)); } else { fw_hal_version = ahw->fw_hal_version; hdr_size = sizeof(struct qlcnic_bc_hdr) / sizeof(u32); total_size = cmd->pay_size + hdr_size; tmp = QLCNIC_CMD_BC_EVENT_SETUP | total_size << 16; mbx_cmd = tmp | fw_hal_version << 29; writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 0)); /* Back channel specific operations bits */ mbx_cmd = 0x1 | 1 << 4; if (qlcnic_sriov_pf_check(adapter)) mbx_cmd |= cmd->func_num << 5; writel(mbx_cmd, QLCNIC_MBX_HOST(ahw, 1)); for (i = 2, j = 0; j < hdr_size; i++, j++) writel(*(cmd->hdr++), QLCNIC_MBX_HOST(ahw, i)); for (j = 0; j < cmd->pay_size; j++, i++) writel(*(cmd->pay++), QLCNIC_MBX_HOST(ahw, i)); } } void qlcnic_83xx_detach_mailbox_work(struct qlcnic_adapter *adapter) { struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; if (!mbx) return; clear_bit(QLC_83XX_MBX_READY, &mbx->status); complete(&mbx->completion); cancel_work_sync(&mbx->work); flush_workqueue(mbx->work_q); qlcnic_83xx_flush_mbx_queue(adapter); } static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd, unsigned long *timeout) { struct qlcnic_mailbox *mbx = adapter->ahw->mailbox; if (test_bit(QLC_83XX_MBX_READY, &mbx->status)) { atomic_set(&cmd->rsp_status, QLC_83XX_MBX_RESPONSE_WAIT); init_completion(&cmd->completion); cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN; spin_lock_bh(&mbx->queue_lock); list_add_tail(&cmd->list, &mbx->cmd_q); mbx->num_cmds++; cmd->total_cmds = mbx->num_cmds; *timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT; queue_work(mbx->work_q, &mbx->work); spin_unlock_bh(&mbx->queue_lock); return 0; } return -EBUSY; } static int qlcnic_83xx_check_mac_rcode(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { u8 mac_cmd_rcode; u32 fw_data; if (cmd->cmd_op == QLCNIC_CMD_CONFIG_MAC_VLAN) { fw_data = readl(QLCNIC_MBX_FW(adapter->ahw, 2)); mac_cmd_rcode = (u8)fw_data; if (mac_cmd_rcode == QLC_83XX_NO_NIC_RESOURCE || mac_cmd_rcode == QLC_83XX_MAC_PRESENT || mac_cmd_rcode == QLC_83XX_MAC_ABSENT) { cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; return QLCNIC_RCODE_SUCCESS; } } return -EINVAL; } static void qlcnic_83xx_decode_mbx_rsp(struct qlcnic_adapter *adapter, struct qlcnic_cmd_args *cmd) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct device *dev = &adapter->pdev->dev; u8 mbx_err_code; u32 fw_data; fw_data = readl(QLCNIC_MBX_FW(ahw, 0)); mbx_err_code = QLCNIC_MBX_STATUS(fw_data); qlcnic_83xx_get_mbx_data(adapter, cmd); switch (mbx_err_code) { case QLCNIC_MBX_RSP_OK: case QLCNIC_MBX_PORT_RSP_OK: cmd->rsp_opcode = QLCNIC_RCODE_SUCCESS; break; default: if (!qlcnic_83xx_check_mac_rcode(adapter, cmd)) break; dev_err(dev, "%s: Mailbox command failed, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x, error=0x%x\n", __func__, cmd->cmd_op, cmd->type, ahw->pci_func, ahw->op_mode, mbx_err_code); cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_FAILED; qlcnic_dump_mbx(adapter, cmd); } return; } static inline void qlcnic_dump_mailbox_registers(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; u32 offset; offset = QLCRDX(ahw, QLCNIC_DEF_INT_MASK); dev_info(&adapter->pdev->dev, "Mbx interrupt mask=0x%x, Mbx interrupt enable=0x%x, Host mbx control=0x%x, Fw mbx control=0x%x", readl(ahw->pci_base0 + offset), QLCRDX(ahw, QLCNIC_MBX_INTR_ENBL), QLCRDX(ahw, QLCNIC_HOST_MBX_CTRL), QLCRDX(ahw, QLCNIC_FW_MBX_CTRL)); } static void qlcnic_83xx_mailbox_worker(struct work_struct *work) { struct qlcnic_mailbox *mbx = container_of(work, struct qlcnic_mailbox, work); struct qlcnic_adapter *adapter = mbx->adapter; const struct qlcnic_mbx_ops *mbx_ops = mbx->ops; struct device *dev = &adapter->pdev->dev; struct list_head *head = &mbx->cmd_q; struct qlcnic_hardware_context *ahw; struct qlcnic_cmd_args *cmd = NULL; unsigned long flags; ahw = adapter->ahw; while (true) { if (qlcnic_83xx_check_mbx_status(adapter)) { qlcnic_83xx_flush_mbx_queue(adapter); return; } spin_lock_irqsave(&mbx->aen_lock, flags); mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT; spin_unlock_irqrestore(&mbx->aen_lock, flags); spin_lock_bh(&mbx->queue_lock); if (list_empty(head)) { spin_unlock_bh(&mbx->queue_lock); return; } cmd = list_entry(head->next, struct qlcnic_cmd_args, list); spin_unlock_bh(&mbx->queue_lock); mbx_ops->encode_cmd(adapter, cmd); mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST); if (wait_for_completion_timeout(&mbx->completion, QLC_83XX_MBX_TIMEOUT)) { mbx_ops->decode_resp(adapter, cmd); mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_COMPLETION); } else { dev_err(dev, "%s: Mailbox command timeout, opcode=0x%x, cmd_type=0x%x, func=0x%x, op_mode=0x%x\n", __func__, cmd->cmd_op, cmd->type, ahw->pci_func, ahw->op_mode); clear_bit(QLC_83XX_MBX_READY, &mbx->status); qlcnic_dump_mailbox_registers(adapter); qlcnic_83xx_get_mbx_data(adapter, cmd); qlcnic_dump_mbx(adapter, cmd); qlcnic_83xx_idc_request_reset(adapter, QLCNIC_FORCE_FW_DUMP_KEY); cmd->rsp_opcode = QLCNIC_RCODE_TIMEOUT; } mbx_ops->dequeue_cmd(adapter, cmd); } } static const struct qlcnic_mbx_ops qlcnic_83xx_mbx_ops = { .enqueue_cmd = qlcnic_83xx_enqueue_mbx_cmd, .dequeue_cmd = qlcnic_83xx_dequeue_mbx_cmd, .decode_resp = qlcnic_83xx_decode_mbx_rsp, .encode_cmd = qlcnic_83xx_encode_mbx_cmd, .nofity_fw = qlcnic_83xx_signal_mbx_cmd, }; int qlcnic_83xx_init_mailbox_work(struct qlcnic_adapter *adapter) { struct qlcnic_hardware_context *ahw = adapter->ahw; struct qlcnic_mailbox *mbx; ahw->mailbox = kzalloc(sizeof(*mbx), GFP_KERNEL); if (!ahw->mailbox) return -ENOMEM; mbx = ahw->mailbox; mbx->ops = &qlcnic_83xx_mbx_ops; mbx->adapter = adapter; spin_lock_init(&mbx->queue_lock); spin_lock_init(&mbx->aen_lock); INIT_LIST_HEAD(&mbx->cmd_q); init_completion(&mbx->completion); mbx->work_q = create_singlethread_workqueue("qlcnic_mailbox"); if (mbx->work_q == NULL) { kfree(mbx); return -ENOMEM; } INIT_WORK(&mbx->work, qlcnic_83xx_mailbox_worker); set_bit(QLC_83XX_MBX_READY, &mbx->status); return 0; } static pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); if (state == pci_channel_io_perm_failure) return PCI_ERS_RESULT_DISCONNECT; if (state == pci_channel_io_normal) return PCI_ERS_RESULT_RECOVERED; set_bit(__QLCNIC_AER, &adapter->state); set_bit(__QLCNIC_RESETTING, &adapter->state); qlcnic_83xx_aer_stop_poll_work(adapter); pci_save_state(pdev); pci_disable_device(pdev); return PCI_ERS_RESULT_NEED_RESET; } static pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *pdev) { struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); int err = 0; pdev->error_state = pci_channel_io_normal; err = pci_enable_device(pdev); if (err) goto disconnect; pci_set_power_state(pdev, PCI_D0); pci_set_master(pdev); pci_restore_state(pdev); err = qlcnic_83xx_aer_reset(adapter); if (err == 0) return PCI_ERS_RESULT_RECOVERED; disconnect: clear_bit(__QLCNIC_AER, &adapter->state); clear_bit(__QLCNIC_RESETTING, &adapter->state); return PCI_ERS_RESULT_DISCONNECT; } static void qlcnic_83xx_io_resume(struct pci_dev *pdev) { struct qlcnic_adapter *adapter = pci_get_drvdata(pdev); if (test_and_clear_bit(__QLCNIC_AER, &adapter->state)) qlcnic_83xx_aer_start_poll_work(adapter); }
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