Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Luo bin | 6989 | 99.50% | 7 | 70.00% |
Yue haibing | 22 | 0.31% | 1 | 10.00% |
Zou Wei | 11 | 0.16% | 1 | 10.00% |
Colin Ian King | 2 | 0.03% | 1 | 10.00% |
Total | 7024 | 10 |
// SPDX-License-Identifier: GPL-2.0-only /* Huawei HiNIC PCI Express Linux driver * Copyright(c) 2017 Huawei Technologies Co., Ltd */ #include <linux/pci.h> #include <linux/if_vlan.h> #include <linux/interrupt.h> #include <linux/etherdevice.h> #include <linux/netdevice.h> #include "hinic_hw_dev.h" #include "hinic_dev.h" #include "hinic_hw_mbox.h" #include "hinic_hw_cmdq.h" #include "hinic_port.h" #include "hinic_sriov.h" static unsigned char set_vf_link_state; module_param(set_vf_link_state, byte, 0444); MODULE_PARM_DESC(set_vf_link_state, "Set vf link state, 0 represents link auto, 1 represents link always up, 2 represents link always down. - default is 0."); #define HINIC_VLAN_PRIORITY_SHIFT 13 #define HINIC_ADD_VLAN_IN_MAC 0x8000 #define HINIC_TX_RATE_TABLE_FULL 12 static int hinic_set_mac(struct hinic_hwdev *hwdev, const u8 *mac_addr, u16 vlan_id, u16 func_id) { struct hinic_port_mac_cmd mac_info = {0}; u16 out_size = sizeof(mac_info); int err; mac_info.func_idx = func_id; mac_info.vlan_id = vlan_id; memcpy(mac_info.mac, mac_addr, ETH_ALEN); err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_MAC, &mac_info, sizeof(mac_info), &mac_info, &out_size); if (err || out_size != sizeof(mac_info) || (mac_info.status && mac_info.status != HINIC_MGMT_STATUS_EXIST)) { dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set MAC, err: %d, status: 0x%x, out size: 0x%x\n", err, mac_info.status, out_size); return -EIO; } return 0; } static void hinic_notify_vf_link_status(struct hinic_hwdev *hwdev, u16 vf_id, u8 link_status) { struct vf_data_storage *vf_infos = hwdev->func_to_io.vf_infos; struct hinic_port_link_status link = {0}; u16 out_size = sizeof(link); int err; if (vf_infos[HW_VF_ID_TO_OS(vf_id)].registered) { link.link = link_status; link.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id; err = hinic_mbox_to_vf(hwdev, HINIC_MOD_L2NIC, vf_id, HINIC_PORT_CMD_LINK_STATUS_REPORT, &link, sizeof(link), &link, &out_size, 0); if (err || !out_size || link.status) dev_err(&hwdev->hwif->pdev->dev, "Send link change event to VF %d failed, err: %d, status: 0x%x, out_size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), err, link.status, out_size); } } /* send link change event mbox msg to active vfs under the pf */ void hinic_notify_all_vfs_link_changed(struct hinic_hwdev *hwdev, u8 link_status) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; u16 i; nic_io->link_status = link_status; for (i = 1; i <= nic_io->max_vfs; i++) { if (!nic_io->vf_infos[HW_VF_ID_TO_OS(i)].link_forced) hinic_notify_vf_link_status(hwdev, i, link_status); } } static u16 hinic_vf_info_vlanprio(struct hinic_hwdev *hwdev, int vf_id) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; u16 pf_vlan, vlanprio; u8 pf_qos; pf_vlan = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan; pf_qos = nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos; vlanprio = pf_vlan | pf_qos << HINIC_VLAN_PRIORITY_SHIFT; return vlanprio; } static int hinic_set_vf_vlan(struct hinic_hwdev *hwdev, bool add, u16 vid, u8 qos, int vf_id) { struct hinic_vf_vlan_config vf_vlan = {0}; u16 out_size = sizeof(vf_vlan); int err; u8 cmd; /* VLAN 0 is a special case, don't allow it to be removed */ if (!vid && !add) return 0; vf_vlan.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id; vf_vlan.vlan_id = vid; vf_vlan.qos = qos; if (add) cmd = HINIC_PORT_CMD_SET_VF_VLAN; else cmd = HINIC_PORT_CMD_CLR_VF_VLAN; err = hinic_port_msg_cmd(hwdev, cmd, &vf_vlan, sizeof(vf_vlan), &vf_vlan, &out_size); if (err || !out_size || vf_vlan.status) { dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d vlan, err: %d, status: 0x%x, out size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), err, vf_vlan.status, out_size); return -EFAULT; } return 0; } static int hinic_set_vf_tx_rate_max_min(struct hinic_hwdev *hwdev, u16 vf_id, u32 max_rate, u32 min_rate) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; struct hinic_tx_rate_cfg_max_min rate_cfg = {0}; u16 out_size = sizeof(rate_cfg); int err; rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id; rate_cfg.max_rate = max_rate; rate_cfg.min_rate = min_rate; err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_MAX_MIN_RATE, &rate_cfg, sizeof(rate_cfg), &rate_cfg, &out_size); if ((rate_cfg.status != HINIC_MGMT_CMD_UNSUPPORTED && rate_cfg.status) || err || !out_size) { dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) max rate(%d), min rate(%d), err: %d, status: 0x%x, out size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), max_rate, min_rate, err, rate_cfg.status, out_size); return -EIO; } if (!rate_cfg.status) { nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = max_rate; nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = min_rate; } return rate_cfg.status; } static int hinic_set_vf_rate_limit(struct hinic_hwdev *hwdev, u16 vf_id, u32 tx_rate) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; struct hinic_tx_rate_cfg rate_cfg = {0}; u16 out_size = sizeof(rate_cfg); int err; rate_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id; rate_cfg.tx_rate = tx_rate; err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_SET_VF_RATE, &rate_cfg, sizeof(rate_cfg), &rate_cfg, &out_size); if (err || !out_size || rate_cfg.status) { dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) rate(%d), err: %d, status: 0x%x, out size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), tx_rate, err, rate_cfg.status, out_size); if (rate_cfg.status) return rate_cfg.status; return -EIO; } nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].max_rate = tx_rate; nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].min_rate = 0; return 0; } static int hinic_set_vf_tx_rate(struct hinic_hwdev *hwdev, u16 vf_id, u32 max_rate, u32 min_rate) { int err; err = hinic_set_vf_tx_rate_max_min(hwdev, vf_id, max_rate, min_rate); if (err != HINIC_MGMT_CMD_UNSUPPORTED) return err; if (min_rate) { dev_err(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate\n"); return -EOPNOTSUPP; } dev_info(&hwdev->hwif->pdev->dev, "Current firmware doesn't support to set min tx rate, force min_tx_rate = max_tx_rate\n"); return hinic_set_vf_rate_limit(hwdev, vf_id, max_rate); } static int hinic_init_vf_config(struct hinic_hwdev *hwdev, u16 vf_id) { struct vf_data_storage *vf_info; u16 func_id, vlan_id; int err = 0; vf_info = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id); if (vf_info->pf_set_mac) { func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id; vlan_id = 0; err = hinic_set_mac(hwdev, vf_info->vf_mac_addr, vlan_id, func_id); if (err) { dev_err(&hwdev->func_to_io.hwif->pdev->dev, "Failed to set VF %d MAC\n", HW_VF_ID_TO_OS(vf_id)); return err; } } if (hinic_vf_info_vlanprio(hwdev, vf_id)) { err = hinic_set_vf_vlan(hwdev, true, vf_info->pf_vlan, vf_info->pf_qos, vf_id); if (err) { dev_err(&hwdev->hwif->pdev->dev, "Failed to add VF %d VLAN_QOS\n", HW_VF_ID_TO_OS(vf_id)); return err; } } if (vf_info->max_rate) { err = hinic_set_vf_tx_rate(hwdev, vf_id, vf_info->max_rate, vf_info->min_rate); if (err) { dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF %d max rate: %d, min rate: %d\n", HW_VF_ID_TO_OS(vf_id), vf_info->max_rate, vf_info->min_rate); return err; } } return 0; } static int hinic_register_vf_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_register_vf *register_info = buf_out; struct hinic_hwdev *hw_dev = hwdev; struct hinic_func_to_io *nic_io; int err; nic_io = &hw_dev->func_to_io; if (vf_id > nic_io->max_vfs) { dev_err(&hw_dev->hwif->pdev->dev, "Register VF id %d exceed limit[0-%d]\n", HW_VF_ID_TO_OS(vf_id), HW_VF_ID_TO_OS(nic_io->max_vfs)); register_info->status = EFAULT; return -EFAULT; } *out_size = sizeof(*register_info); err = hinic_init_vf_config(hw_dev, vf_id); if (err) { register_info->status = EFAULT; return err; } nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = true; return 0; } static int hinic_unregister_vf_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_hwdev *hw_dev = hwdev; struct hinic_func_to_io *nic_io; nic_io = &hw_dev->func_to_io; *out_size = 0; if (vf_id > nic_io->max_vfs) return 0; nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].registered = false; return 0; } static int hinic_change_vf_mtu_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_hwdev *hw_dev = hwdev; int err; err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_CHANGE_MTU, buf_in, in_size, buf_out, out_size); if (err) { dev_err(&hw_dev->hwif->pdev->dev, "Failed to set VF %u mtu\n", vf_id); return err; } return 0; } static int hinic_get_vf_mac_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_port_mac_cmd *mac_info = buf_out; struct hinic_hwdev *dev = hwdev; struct hinic_func_to_io *nic_io; struct vf_data_storage *vf_info; nic_io = &dev->func_to_io; vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id); memcpy(mac_info->mac, vf_info->vf_mac_addr, ETH_ALEN); mac_info->status = 0; *out_size = sizeof(*mac_info); return 0; } static int hinic_set_vf_mac_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_port_mac_cmd *mac_out = buf_out; struct hinic_port_mac_cmd *mac_in = buf_in; struct hinic_hwdev *hw_dev = hwdev; struct hinic_func_to_io *nic_io; struct vf_data_storage *vf_info; int err; nic_io = &hw_dev->func_to_io; vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id); if (vf_info->pf_set_mac && !(vf_info->trust) && is_valid_ether_addr(mac_in->mac)) { dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF %d MAC address\n", HW_VF_ID_TO_OS(vf_id)); mac_out->status = HINIC_PF_SET_VF_ALREADY; *out_size = sizeof(*mac_out); return 0; } err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_SET_MAC, buf_in, in_size, buf_out, out_size); if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) { dev_err(&hw_dev->hwif->pdev->dev, "Failed to set VF %d MAC address, err: %d, status: 0x%x, out size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size); return -EFAULT; } return err; } static int hinic_del_vf_mac_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_port_mac_cmd *mac_out = buf_out; struct hinic_port_mac_cmd *mac_in = buf_in; struct hinic_hwdev *hw_dev = hwdev; struct hinic_func_to_io *nic_io; struct vf_data_storage *vf_info; int err; nic_io = &hw_dev->func_to_io; vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf_id); if (vf_info->pf_set_mac && is_valid_ether_addr(mac_in->mac) && !memcmp(vf_info->vf_mac_addr, mac_in->mac, ETH_ALEN)) { dev_warn(&hw_dev->hwif->pdev->dev, "PF has already set VF mac.\n"); mac_out->status = HINIC_PF_SET_VF_ALREADY; *out_size = sizeof(*mac_out); return 0; } err = hinic_port_msg_cmd(hw_dev, HINIC_PORT_CMD_DEL_MAC, buf_in, in_size, buf_out, out_size); if ((err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) || !(*out_size)) { dev_err(&hw_dev->hwif->pdev->dev, "Failed to delete VF %d MAC, err: %d, status: 0x%x, out size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), err, mac_out->status, *out_size); return -EFAULT; } return err; } static int hinic_get_vf_link_status_msg_handler(void *hwdev, u16 vf_id, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_port_link_cmd *get_link = buf_out; struct hinic_hwdev *hw_dev = hwdev; struct vf_data_storage *vf_infos; struct hinic_func_to_io *nic_io; bool link_forced, link_up; nic_io = &hw_dev->func_to_io; vf_infos = nic_io->vf_infos; link_forced = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced; link_up = vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up; if (link_forced) get_link->state = link_up ? HINIC_LINK_STATE_UP : HINIC_LINK_STATE_DOWN; else get_link->state = nic_io->link_status; get_link->status = 0; *out_size = sizeof(*get_link); return 0; } static bool check_func_table(struct hinic_hwdev *hwdev, u16 func_idx, void *buf_in, u16 in_size) { struct hinic_cmd_fw_ctxt *function_table = buf_in; if (!hinic_mbox_check_func_id_8B(hwdev, func_idx, buf_in, in_size) || !function_table->rx_buf_sz) return false; return true; } static struct vf_cmd_msg_handle nic_vf_cmd_msg_handler[] = { {HINIC_PORT_CMD_VF_REGISTER, hinic_register_vf_msg_handler}, {HINIC_PORT_CMD_VF_UNREGISTER, hinic_unregister_vf_msg_handler}, {HINIC_PORT_CMD_CHANGE_MTU, hinic_change_vf_mtu_msg_handler}, {HINIC_PORT_CMD_GET_MAC, hinic_get_vf_mac_msg_handler}, {HINIC_PORT_CMD_SET_MAC, hinic_set_vf_mac_msg_handler}, {HINIC_PORT_CMD_DEL_MAC, hinic_del_vf_mac_msg_handler}, {HINIC_PORT_CMD_GET_LINK_STATE, hinic_get_vf_link_status_msg_handler}, }; static struct vf_cmd_check_handle nic_cmd_support_vf[] = { {HINIC_PORT_CMD_VF_REGISTER, NULL}, {HINIC_PORT_CMD_VF_UNREGISTER, NULL}, {HINIC_PORT_CMD_CHANGE_MTU, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_ADD_VLAN, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_DEL_VLAN, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_MAC, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_MAC, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_DEL_MAC, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RX_MODE, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_PAUSE_INFO, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_LINK_STATE, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_LRO, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RX_CSUM, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RX_VLAN_OFFLOAD, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_VPORT_STAT, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_CLEAN_VPORT_STAT, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_RSS_TEMPLATE_INDIR_TBL, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_RSS_TEMPLATE_TBL, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_RSS_HASH_ENGINE, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RSS_CTX_TBL, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_RSS_TEMP_MGR, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_RSS_CFG, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_FWCTXT_INIT, check_func_table}, {HINIC_PORT_CMD_GET_MGMT_VERSION, NULL}, {HINIC_PORT_CMD_SET_FUNC_STATE, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_GLOBAL_QPN, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_TSO, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_SET_RQ_IQ_MAP, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_LINK_STATUS_REPORT, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_UPDATE_MAC, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_CAP, hinic_mbox_check_func_id_8B}, {HINIC_PORT_CMD_GET_LINK_MODE, hinic_mbox_check_func_id_8B}, }; #define CHECK_IPSU_15BIT 0X8000 static struct hinic_sriov_info *hinic_get_sriov_info_by_pcidev(struct pci_dev *pdev) { struct net_device *netdev = pci_get_drvdata(pdev); struct hinic_dev *nic_dev = netdev_priv(netdev); return &nic_dev->sriov_info; } static int hinic_check_mac_info(u8 status, u16 vlan_id) { if ((status && status != HINIC_MGMT_STATUS_EXIST) || (vlan_id & CHECK_IPSU_15BIT && status == HINIC_MGMT_STATUS_EXIST)) return -EINVAL; return 0; } #define HINIC_VLAN_ID_MASK 0x7FFF static int hinic_update_mac(struct hinic_hwdev *hwdev, u8 *old_mac, u8 *new_mac, u16 vlan_id, u16 func_id) { struct hinic_port_mac_update mac_info = {0}; u16 out_size = sizeof(mac_info); int err; if (!hwdev || !old_mac || !new_mac) return -EINVAL; if ((vlan_id & HINIC_VLAN_ID_MASK) >= VLAN_N_VID) { dev_err(&hwdev->hwif->pdev->dev, "Invalid VLAN number: %d\n", (vlan_id & HINIC_VLAN_ID_MASK)); return -EINVAL; } mac_info.func_id = func_id; mac_info.vlan_id = vlan_id; memcpy(mac_info.old_mac, old_mac, ETH_ALEN); memcpy(mac_info.new_mac, new_mac, ETH_ALEN); err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_UPDATE_MAC, &mac_info, sizeof(mac_info), &mac_info, &out_size); if (err || !out_size || hinic_check_mac_info(mac_info.status, mac_info.vlan_id)) { dev_err(&hwdev->hwif->pdev->dev, "Failed to update MAC, err: %d, status: 0x%x, out size: 0x%x\n", err, mac_info.status, out_size); return -EINVAL; } if (mac_info.status == HINIC_MGMT_STATUS_EXIST) dev_warn(&hwdev->hwif->pdev->dev, "MAC is repeated. Ignore update operation\n"); return 0; } static void hinic_get_vf_config(struct hinic_hwdev *hwdev, u16 vf_id, struct ifla_vf_info *ivi) { struct vf_data_storage *vfinfo; vfinfo = hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id); ivi->vf = HW_VF_ID_TO_OS(vf_id); memcpy(ivi->mac, vfinfo->vf_mac_addr, ETH_ALEN); ivi->vlan = vfinfo->pf_vlan; ivi->qos = vfinfo->pf_qos; ivi->spoofchk = vfinfo->spoofchk; ivi->trusted = vfinfo->trust; ivi->max_tx_rate = vfinfo->max_rate; ivi->min_tx_rate = vfinfo->min_rate; if (!vfinfo->link_forced) ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; else if (vfinfo->link_up) ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; else ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; } int hinic_ndo_get_vf_config(struct net_device *netdev, int vf, struct ifla_vf_info *ivi) { struct hinic_dev *nic_dev = netdev_priv(netdev); struct hinic_sriov_info *sriov_info; sriov_info = &nic_dev->sriov_info; if (vf >= sriov_info->num_vfs) return -EINVAL; hinic_get_vf_config(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), ivi); return 0; } static int hinic_set_vf_mac(struct hinic_hwdev *hwdev, int vf, unsigned char *mac_addr) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; struct vf_data_storage *vf_info; u16 func_id; int err; vf_info = nic_io->vf_infos + HW_VF_ID_TO_OS(vf); /* duplicate request, so just return success */ if (vf_info->pf_set_mac && !memcmp(vf_info->vf_mac_addr, mac_addr, ETH_ALEN)) return 0; vf_info->pf_set_mac = true; func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf; err = hinic_update_mac(hwdev, vf_info->vf_mac_addr, mac_addr, 0, func_id); if (err) { vf_info->pf_set_mac = false; return err; } memcpy(vf_info->vf_mac_addr, mac_addr, ETH_ALEN); return 0; } int hinic_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) { struct hinic_dev *nic_dev = netdev_priv(netdev); struct hinic_sriov_info *sriov_info; int err; sriov_info = &nic_dev->sriov_info; if (!is_valid_ether_addr(mac) || vf >= sriov_info->num_vfs) return -EINVAL; err = hinic_set_vf_mac(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), mac); if (err) return err; netif_info(nic_dev, drv, netdev, "Setting MAC %pM on VF %d\n", mac, vf); netif_info(nic_dev, drv, netdev, "Reload the VF driver to make this change effective."); return 0; } static int hinic_add_vf_vlan(struct hinic_hwdev *hwdev, int vf_id, u16 vlan, u8 qos) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; int err; err = hinic_set_vf_vlan(hwdev, true, vlan, qos, vf_id); if (err) return err; nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = vlan; nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = qos; dev_info(&hwdev->hwif->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, HW_VF_ID_TO_OS(vf_id)); return 0; } static int hinic_kill_vf_vlan(struct hinic_hwdev *hwdev, int vf_id) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; int err; err = hinic_set_vf_vlan(hwdev, false, nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan, nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos, vf_id); if (err) return err; dev_info(&hwdev->hwif->pdev->dev, "Remove VLAN %d on VF %d\n", nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan, HW_VF_ID_TO_OS(vf_id)); nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_vlan = 0; nic_io->vf_infos[HW_VF_ID_TO_OS(vf_id)].pf_qos = 0; return 0; } static int hinic_update_mac_vlan(struct hinic_dev *nic_dev, u16 old_vlan, u16 new_vlan, int vf_id) { struct vf_data_storage *vf_info; u16 vlan_id; int err; if (!nic_dev || old_vlan >= VLAN_N_VID || new_vlan >= VLAN_N_VID) return -EINVAL; vf_info = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id); if (!vf_info->pf_set_mac) return 0; vlan_id = old_vlan; if (vlan_id) vlan_id |= HINIC_ADD_VLAN_IN_MAC; err = hinic_port_del_mac(nic_dev, vf_info->vf_mac_addr, vlan_id); if (err) { dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to delete VF %d MAC %pM vlan %d\n", HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, old_vlan); return err; } vlan_id = new_vlan; if (vlan_id) vlan_id |= HINIC_ADD_VLAN_IN_MAC; err = hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id); if (err) { dev_err(&nic_dev->hwdev->hwif->pdev->dev, "Failed to add VF %d MAC %pM vlan %d\n", HW_VF_ID_TO_OS(vf_id), vf_info->vf_mac_addr, new_vlan); goto out; } return 0; out: vlan_id = old_vlan; if (vlan_id) vlan_id |= HINIC_ADD_VLAN_IN_MAC; hinic_port_add_mac(nic_dev, vf_info->vf_mac_addr, vlan_id); return err; } static int set_hw_vf_vlan(struct hinic_dev *nic_dev, u16 cur_vlanprio, int vf, u16 vlan, u8 qos) { u16 old_vlan = cur_vlanprio & VLAN_VID_MASK; int err = 0; if (vlan || qos) { if (cur_vlanprio) { err = hinic_kill_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf)); if (err) { dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d old vlan %d\n", vf, old_vlan); goto out; } } err = hinic_add_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf), vlan, qos); if (err) { dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to add vf %d new vlan %d\n", vf, vlan); goto out; } } else { err = hinic_kill_vf_vlan(nic_dev->hwdev, OS_VF_ID_TO_HW(vf)); if (err) { dev_err(&nic_dev->sriov_info.pdev->dev, "Failed to delete vf %d vlan %d\n", vf, old_vlan); goto out; } } err = hinic_update_mac_vlan(nic_dev, old_vlan, vlan, OS_VF_ID_TO_HW(vf)); out: return err; } int hinic_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos, __be16 vlan_proto) { struct hinic_dev *nic_dev = netdev_priv(netdev); struct hinic_sriov_info *sriov_info; u16 vlanprio, cur_vlanprio; sriov_info = &nic_dev->sriov_info; if (vf >= sriov_info->num_vfs || vlan > 4095 || qos > 7) return -EINVAL; if (vlan_proto != htons(ETH_P_8021Q)) return -EPROTONOSUPPORT; vlanprio = vlan | qos << HINIC_VLAN_PRIORITY_SHIFT; cur_vlanprio = hinic_vf_info_vlanprio(nic_dev->hwdev, OS_VF_ID_TO_HW(vf)); /* duplicate request, so just return success */ if (vlanprio == cur_vlanprio) return 0; return set_hw_vf_vlan(nic_dev, cur_vlanprio, vf, vlan, qos); } static int hinic_set_vf_trust(struct hinic_hwdev *hwdev, u16 vf_id, bool trust) { struct vf_data_storage *vf_infos; struct hinic_func_to_io *nic_io; if (!hwdev) return -EINVAL; nic_io = &hwdev->func_to_io; vf_infos = nic_io->vf_infos; vf_infos[vf_id].trust = trust; return 0; } int hinic_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting) { struct hinic_dev *adapter = netdev_priv(netdev); struct hinic_sriov_info *sriov_info; struct hinic_func_to_io *nic_io; bool cur_trust; int err; sriov_info = &adapter->sriov_info; nic_io = &adapter->hwdev->func_to_io; if (vf >= sriov_info->num_vfs) return -EINVAL; cur_trust = nic_io->vf_infos[vf].trust; /* same request, so just return success */ if ((setting && cur_trust) || (!setting && !cur_trust)) return 0; err = hinic_set_vf_trust(adapter->hwdev, vf, setting); if (!err) dev_info(&sriov_info->pdev->dev, "Set VF %d trusted %s succeed\n", vf, setting ? "on" : "off"); else dev_err(&sriov_info->pdev->dev, "Failed set VF %d trusted %s\n", vf, setting ? "on" : "off"); return err; } int hinic_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate, int max_tx_rate) { static const u32 speeds[] = { SPEED_10, SPEED_100, SPEED_1000, SPEED_10000, SPEED_25000, SPEED_40000, SPEED_100000 }; struct hinic_dev *nic_dev = netdev_priv(netdev); struct hinic_port_cap port_cap = { 0 }; enum hinic_port_link_state link_state; int err; if (vf >= nic_dev->sriov_info.num_vfs) { netif_err(nic_dev, drv, netdev, "VF number must be less than %d\n", nic_dev->sriov_info.num_vfs); return -EINVAL; } if (max_tx_rate < min_tx_rate) { netif_err(nic_dev, drv, netdev, "Max rate %d must be greater than or equal to min rate %d\n", max_tx_rate, min_tx_rate); return -EINVAL; } err = hinic_port_link_state(nic_dev, &link_state); if (err) { netif_err(nic_dev, drv, netdev, "Get link status failed when setting vf tx rate\n"); return -EIO; } if (link_state == HINIC_LINK_STATE_DOWN) { netif_err(nic_dev, drv, netdev, "Link status must be up when setting vf tx rate\n"); return -EPERM; } err = hinic_port_get_cap(nic_dev, &port_cap); if (err || port_cap.speed > LINK_SPEED_100GB) return -EIO; /* rate limit cannot be less than 0 and greater than link speed */ if (max_tx_rate < 0 || max_tx_rate > speeds[port_cap.speed]) { netif_err(nic_dev, drv, netdev, "Max tx rate must be in [0 - %d]\n", speeds[port_cap.speed]); return -EINVAL; } err = hinic_set_vf_tx_rate(nic_dev->hwdev, OS_VF_ID_TO_HW(vf), max_tx_rate, min_tx_rate); if (err) { netif_err(nic_dev, drv, netdev, "Unable to set VF %d max rate %d min rate %d%s\n", vf, max_tx_rate, min_tx_rate, err == HINIC_TX_RATE_TABLE_FULL ? ", tx rate profile is full" : ""); return -EIO; } netif_info(nic_dev, drv, netdev, "Set VF %d max tx rate %d min tx rate %d successfully\n", vf, max_tx_rate, min_tx_rate); return 0; } static int hinic_set_vf_spoofchk(struct hinic_hwdev *hwdev, u16 vf_id, bool spoofchk) { struct hinic_spoofchk_set spoofchk_cfg = {0}; struct vf_data_storage *vf_infos = NULL; u16 out_size = sizeof(spoofchk_cfg); int err; if (!hwdev) return -EINVAL; vf_infos = hwdev->func_to_io.vf_infos; spoofchk_cfg.func_id = hinic_glb_pf_vf_offset(hwdev->hwif) + vf_id; spoofchk_cfg.state = spoofchk ? 1 : 0; err = hinic_port_msg_cmd(hwdev, HINIC_PORT_CMD_ENABLE_SPOOFCHK, &spoofchk_cfg, sizeof(spoofchk_cfg), &spoofchk_cfg, &out_size); if (spoofchk_cfg.status == HINIC_MGMT_CMD_UNSUPPORTED) { err = HINIC_MGMT_CMD_UNSUPPORTED; } else if (err || !out_size || spoofchk_cfg.status) { dev_err(&hwdev->hwif->pdev->dev, "Failed to set VF(%d) spoofchk, err: %d, status: 0x%x, out size: 0x%x\n", HW_VF_ID_TO_OS(vf_id), err, spoofchk_cfg.status, out_size); err = -EIO; } vf_infos[HW_VF_ID_TO_OS(vf_id)].spoofchk = spoofchk; return err; } int hinic_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) { struct hinic_dev *nic_dev = netdev_priv(netdev); struct hinic_sriov_info *sriov_info; bool cur_spoofchk; int err; sriov_info = &nic_dev->sriov_info; if (vf >= sriov_info->num_vfs) return -EINVAL; cur_spoofchk = nic_dev->hwdev->func_to_io.vf_infos[vf].spoofchk; /* same request, so just return success */ if ((setting && cur_spoofchk) || (!setting && !cur_spoofchk)) return 0; err = hinic_set_vf_spoofchk(sriov_info->hwdev, OS_VF_ID_TO_HW(vf), setting); if (!err) { netif_info(nic_dev, drv, netdev, "Set VF %d spoofchk %s successfully\n", vf, setting ? "on" : "off"); } else if (err == HINIC_MGMT_CMD_UNSUPPORTED) { netif_err(nic_dev, drv, netdev, "Current firmware doesn't support to set vf spoofchk, need to upgrade latest firmware version\n"); err = -EOPNOTSUPP; } return err; } static int hinic_set_vf_link_state(struct hinic_hwdev *hwdev, u16 vf_id, int link) { struct hinic_func_to_io *nic_io = &hwdev->func_to_io; struct vf_data_storage *vf_infos = nic_io->vf_infos; u8 link_status = 0; switch (link) { case HINIC_IFLA_VF_LINK_STATE_AUTO: vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = false; vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = nic_io->link_status ? true : false; link_status = nic_io->link_status; break; case HINIC_IFLA_VF_LINK_STATE_ENABLE: vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true; vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = true; link_status = HINIC_LINK_UP; break; case HINIC_IFLA_VF_LINK_STATE_DISABLE: vf_infos[HW_VF_ID_TO_OS(vf_id)].link_forced = true; vf_infos[HW_VF_ID_TO_OS(vf_id)].link_up = false; link_status = HINIC_LINK_DOWN; break; default: return -EINVAL; } /* Notify the VF of its new link state */ hinic_notify_vf_link_status(hwdev, vf_id, link_status); return 0; } int hinic_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) { struct hinic_dev *nic_dev = netdev_priv(netdev); struct hinic_sriov_info *sriov_info; sriov_info = &nic_dev->sriov_info; if (vf_id >= sriov_info->num_vfs) { netif_err(nic_dev, drv, netdev, "Invalid VF Identifier %d\n", vf_id); return -EINVAL; } return hinic_set_vf_link_state(sriov_info->hwdev, OS_VF_ID_TO_HW(vf_id), link); } /* pf receive message from vf */ static int nic_pf_mbox_handler(void *hwdev, u16 vf_id, u8 cmd, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { u8 size = ARRAY_SIZE(nic_cmd_support_vf); struct vf_cmd_msg_handle *vf_msg_handle; struct hinic_hwdev *dev = hwdev; struct hinic_func_to_io *nic_io; struct hinic_pfhwdev *pfhwdev; int err = 0; u32 i; if (!hwdev) return -EINVAL; if (!hinic_mbox_check_cmd_valid(hwdev, nic_cmd_support_vf, vf_id, cmd, buf_in, in_size, size)) { dev_err(&dev->hwif->pdev->dev, "PF Receive VF nic cmd: 0x%x, mbox len: 0x%x is invalid\n", cmd, in_size); return HINIC_MBOX_VF_CMD_ERROR; } pfhwdev = container_of(dev, struct hinic_pfhwdev, hwdev); nic_io = &dev->func_to_io; for (i = 0; i < ARRAY_SIZE(nic_vf_cmd_msg_handler); i++) { vf_msg_handle = &nic_vf_cmd_msg_handler[i]; if (cmd == vf_msg_handle->cmd && vf_msg_handle->cmd_msg_handler) { err = vf_msg_handle->cmd_msg_handler(hwdev, vf_id, buf_in, in_size, buf_out, out_size); break; } } if (i == ARRAY_SIZE(nic_vf_cmd_msg_handler)) err = hinic_msg_to_mgmt(&pfhwdev->pf_to_mgmt, HINIC_MOD_L2NIC, cmd, buf_in, in_size, buf_out, out_size, HINIC_MGMT_MSG_SYNC); if (err && err != HINIC_MBOX_PF_BUSY_ACTIVE_FW) dev_err(&nic_io->hwif->pdev->dev, "PF receive VF L2NIC cmd: %d process error, err:%d\n", cmd, err); return err; } static int cfg_mbx_pf_proc_vf_msg(void *hwdev, u16 vf_id, u8 cmd, void *buf_in, u16 in_size, void *buf_out, u16 *out_size) { struct hinic_dev_cap *dev_cap = buf_out; struct hinic_hwdev *dev = hwdev; struct hinic_cap *cap; cap = &dev->nic_cap; memset(dev_cap, 0, sizeof(*dev_cap)); dev_cap->max_vf = cap->max_vf; dev_cap->max_sqs = cap->max_vf_qps; dev_cap->max_rqs = cap->max_vf_qps; dev_cap->port_id = dev->port_id; *out_size = sizeof(*dev_cap); return 0; } static int hinic_init_vf_infos(struct hinic_func_to_io *nic_io, u16 vf_id) { struct vf_data_storage *vf_infos = nic_io->vf_infos; if (set_vf_link_state > HINIC_IFLA_VF_LINK_STATE_DISABLE) { dev_warn(&nic_io->hwif->pdev->dev, "Module Parameter set_vf_link_state value %d is out of range, resetting to %d\n", set_vf_link_state, HINIC_IFLA_VF_LINK_STATE_AUTO); set_vf_link_state = HINIC_IFLA_VF_LINK_STATE_AUTO; } switch (set_vf_link_state) { case HINIC_IFLA_VF_LINK_STATE_AUTO: vf_infos[vf_id].link_forced = false; break; case HINIC_IFLA_VF_LINK_STATE_ENABLE: vf_infos[vf_id].link_forced = true; vf_infos[vf_id].link_up = true; break; case HINIC_IFLA_VF_LINK_STATE_DISABLE: vf_infos[vf_id].link_forced = true; vf_infos[vf_id].link_up = false; break; default: dev_err(&nic_io->hwif->pdev->dev, "Invalid input parameter set_vf_link_state: %d\n", set_vf_link_state); return -EINVAL; } return 0; } static void hinic_clear_vf_infos(struct hinic_dev *nic_dev, u16 vf_id) { struct vf_data_storage *vf_infos; vf_infos = nic_dev->hwdev->func_to_io.vf_infos + HW_VF_ID_TO_OS(vf_id); if (vf_infos->pf_set_mac) hinic_port_del_mac(nic_dev, vf_infos->vf_mac_addr, 0); if (hinic_vf_info_vlanprio(nic_dev->hwdev, vf_id)) hinic_kill_vf_vlan(nic_dev->hwdev, vf_id); if (vf_infos->max_rate) hinic_set_vf_tx_rate(nic_dev->hwdev, vf_id, 0, 0); if (vf_infos->spoofchk) hinic_set_vf_spoofchk(nic_dev->hwdev, vf_id, false); if (vf_infos->trust) hinic_set_vf_trust(nic_dev->hwdev, vf_id, false); memset(vf_infos, 0, sizeof(*vf_infos)); /* set vf_infos to default */ hinic_init_vf_infos(&nic_dev->hwdev->func_to_io, HW_VF_ID_TO_OS(vf_id)); } static int hinic_deinit_vf_hw(struct hinic_sriov_info *sriov_info, u16 start_vf_id, u16 end_vf_id) { struct hinic_dev *nic_dev; u16 func_idx, idx; nic_dev = container_of(sriov_info, struct hinic_dev, sriov_info); for (idx = start_vf_id; idx <= end_vf_id; idx++) { func_idx = hinic_glb_pf_vf_offset(nic_dev->hwdev->hwif) + idx; hinic_set_wq_page_size(nic_dev->hwdev, func_idx, HINIC_HW_WQ_PAGE_SIZE); hinic_clear_vf_infos(nic_dev, idx); } return 0; } int hinic_vf_func_init(struct hinic_hwdev *hwdev) { struct hinic_register_vf register_info = {0}; u16 out_size = sizeof(register_info); struct hinic_func_to_io *nic_io; int err = 0; u32 size, i; err = hinic_vf_mbox_random_id_init(hwdev); if (err) { dev_err(&hwdev->hwif->pdev->dev, "Failed to init vf mbox random id, err: %d\n", err); return err; } nic_io = &hwdev->func_to_io; if (HINIC_IS_VF(hwdev->hwif)) { err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC, HINIC_PORT_CMD_VF_REGISTER, ®ister_info, sizeof(register_info), ®ister_info, &out_size, 0); if (err || register_info.status || !out_size) { dev_err(&hwdev->hwif->pdev->dev, "Failed to register VF, err: %d, status: 0x%x, out size: 0x%x\n", err, register_info.status, out_size); hinic_unregister_vf_mbox_cb(hwdev, HINIC_MOD_L2NIC); return -EIO; } } else { err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_CFGM, cfg_mbx_pf_proc_vf_msg); if (err) { dev_err(&hwdev->hwif->pdev->dev, "Register PF mailbox callback failed\n"); return err; } nic_io->max_vfs = hwdev->nic_cap.max_vf; size = sizeof(*nic_io->vf_infos) * nic_io->max_vfs; if (size != 0) { nic_io->vf_infos = kzalloc(size, GFP_KERNEL); if (!nic_io->vf_infos) { err = -ENOMEM; goto out_free_nic_io; } for (i = 0; i < nic_io->max_vfs; i++) { err = hinic_init_vf_infos(nic_io, i); if (err) goto err_init_vf_infos; } err = hinic_register_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC, nic_pf_mbox_handler); if (err) goto err_register_pf_mbox_cb; } } return 0; err_register_pf_mbox_cb: err_init_vf_infos: kfree(nic_io->vf_infos); out_free_nic_io: return err; } void hinic_vf_func_free(struct hinic_hwdev *hwdev) { struct hinic_register_vf unregister = {0}; u16 out_size = sizeof(unregister); int err; if (HINIC_IS_VF(hwdev->hwif)) { err = hinic_mbox_to_pf(hwdev, HINIC_MOD_L2NIC, HINIC_PORT_CMD_VF_UNREGISTER, &unregister, sizeof(unregister), &unregister, &out_size, 0); if (err || !out_size || unregister.status) dev_err(&hwdev->hwif->pdev->dev, "Failed to unregister VF, err: %d, status: 0x%x, out_size: 0x%x\n", err, unregister.status, out_size); } else { if (hwdev->func_to_io.vf_infos) { hinic_unregister_pf_mbox_cb(hwdev, HINIC_MOD_L2NIC); kfree(hwdev->func_to_io.vf_infos); } } } static int hinic_init_vf_hw(struct hinic_hwdev *hwdev, u16 start_vf_id, u16 end_vf_id) { u16 i, func_idx; int err; /* vf use 256K as default wq page size, and can't change it */ for (i = start_vf_id; i <= end_vf_id; i++) { func_idx = hinic_glb_pf_vf_offset(hwdev->hwif) + i; err = hinic_set_wq_page_size(hwdev, func_idx, HINIC_DEFAULT_WQ_PAGE_SIZE); if (err) return err; } return 0; } int hinic_pci_sriov_disable(struct pci_dev *pdev) { struct hinic_sriov_info *sriov_info; u16 tmp_vfs; sriov_info = hinic_get_sriov_info_by_pcidev(pdev); /* if SR-IOV is already disabled then nothing will be done */ if (!sriov_info->sriov_enabled) return 0; set_bit(HINIC_SRIOV_DISABLE, &sriov_info->state); /* If our VFs are assigned we cannot shut down SR-IOV * without causing issues, so just leave the hardware * available but disabled */ if (pci_vfs_assigned(sriov_info->pdev)) { clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state); dev_warn(&pdev->dev, "Unloading driver while VFs are assigned - VFs will not be deallocated\n"); return -EPERM; } sriov_info->sriov_enabled = false; /* disable iov and allow time for transactions to clear */ pci_disable_sriov(sriov_info->pdev); tmp_vfs = (u16)sriov_info->num_vfs; sriov_info->num_vfs = 0; hinic_deinit_vf_hw(sriov_info, OS_VF_ID_TO_HW(0), OS_VF_ID_TO_HW(tmp_vfs - 1)); clear_bit(HINIC_SRIOV_DISABLE, &sriov_info->state); return 0; } int hinic_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) { struct hinic_sriov_info *sriov_info; int err; sriov_info = hinic_get_sriov_info_by_pcidev(pdev); if (test_and_set_bit(HINIC_SRIOV_ENABLE, &sriov_info->state)) { dev_err(&pdev->dev, "SR-IOV enable in process, please wait, num_vfs %d\n", num_vfs); return -EPERM; } err = hinic_init_vf_hw(sriov_info->hwdev, OS_VF_ID_TO_HW(0), OS_VF_ID_TO_HW((u16)num_vfs - 1)); if (err) { dev_err(&sriov_info->pdev->dev, "Failed to init vf in hardware before enable sriov, error %d\n", err); clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state); return err; } err = pci_enable_sriov(sriov_info->pdev, num_vfs); if (err) { dev_err(&pdev->dev, "Failed to enable SR-IOV, error %d\n", err); clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state); return err; } sriov_info->sriov_enabled = true; sriov_info->num_vfs = num_vfs; clear_bit(HINIC_SRIOV_ENABLE, &sriov_info->state); return num_vfs; } int hinic_pci_sriov_configure(struct pci_dev *dev, int num_vfs) { struct hinic_sriov_info *sriov_info; sriov_info = hinic_get_sriov_info_by_pcidev(dev); if (test_bit(HINIC_FUNC_REMOVE, &sriov_info->state)) return -EBUSY; if (!num_vfs) return hinic_pci_sriov_disable(dev); else return hinic_pci_sriov_enable(dev, num_vfs); }
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