Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / ethernet / qlogic / qlcnic / qlcnic_83xx_vnic.c
diff --git a/kernel/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/kernel/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
new file mode 100644 (file)
index 0000000..be7d7a6
--- /dev/null
@@ -0,0 +1,284 @@
+/*
+ * QLogic qlcnic NIC Driver
+ * Copyright (c) 2009-2013 QLogic Corporation
+ *
+ * See LICENSE.qlcnic for copyright and licensing details.
+ */
+
+#include "qlcnic.h"
+#include "qlcnic_hw.h"
+
+static int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *adapter, int lock)
+{
+       if (lock) {
+               if (qlcnic_83xx_lock_driver(adapter))
+                       return -EBUSY;
+       }
+       QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_OPER);
+       if (lock)
+               qlcnic_83xx_unlock_driver(adapter);
+
+       return 0;
+}
+
+int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *adapter, int lock)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+       if (lock) {
+               if (qlcnic_83xx_lock_driver(adapter))
+                       return -EBUSY;
+       }
+
+       QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_NON_OPER);
+       ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
+
+       if (lock)
+               qlcnic_83xx_unlock_driver(adapter);
+
+       return 0;
+}
+
+int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter)
+{
+       u8 id;
+       int ret = -EBUSY;
+       u32 data = QLCNIC_MGMT_FUNC;
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+       if (qlcnic_83xx_lock_driver(adapter))
+               return ret;
+
+       id = ahw->pci_func;
+       data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
+       data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, id)) |
+              QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC, id);
+
+       QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data);
+
+       qlcnic_83xx_unlock_driver(adapter);
+
+       return 0;
+}
+
+static void
+qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter *adapter)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+       if (ahw->port_type == QLCNIC_XGBE) {
+               adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
+               adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
+               adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
+               adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
+
+       } else if (ahw->port_type == QLCNIC_GBE) {
+               adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
+               adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
+               adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
+               adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
+       }
+       adapter->num_txd = MAX_CMD_DESCRIPTORS;
+       adapter->max_rds_rings = MAX_RDS_RINGS;
+}
+
+
+/**
+ * qlcnic_83xx_init_mgmt_vnic
+ *
+ * @adapter: adapter structure
+ * Management virtual NIC sets the operational mode of other vNIC's and
+ * configures embedded switch (ESWITCH).
+ * Returns: Success(0) or error code.
+ *
+ **/
+static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       struct device *dev = &adapter->pdev->dev;
+       struct qlcnic_npar_info *npar;
+       int i, err = -EIO;
+
+       qlcnic_83xx_get_minidump_template(adapter);
+
+       if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) {
+               if (qlcnic_init_pci_info(adapter))
+                       return err;
+
+               npar = adapter->npars;
+
+               for (i = 0; i < ahw->total_nic_func; i++, npar++) {
+                       dev_info(dev, "id:%d active:%d type:%d port:%d min_bw:%d max_bw:%d mac_addr:%pM\n",
+                                npar->pci_func, npar->active, npar->type,
+                                npar->phy_port, npar->min_bw, npar->max_bw,
+                                npar->mac);
+               }
+
+               dev_info(dev, "Max functions = %d, active functions = %d\n",
+                        ahw->max_pci_func, ahw->total_nic_func);
+
+               if (qlcnic_83xx_set_vnic_opmode(adapter))
+                       return err;
+
+               if (qlcnic_set_default_offload_settings(adapter))
+                       return err;
+       } else {
+               if (qlcnic_reset_npar_config(adapter))
+                       return err;
+       }
+
+       if (qlcnic_83xx_get_port_info(adapter))
+               return err;
+
+       qlcnic_83xx_config_vnic_buff_descriptors(adapter);
+       ahw->msix_supported = qlcnic_use_msi_x ? 1 : 0;
+       adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
+       qlcnic_83xx_enable_vnic_mode(adapter, 1);
+
+       dev_info(dev, "HAL Version: %d, Management function\n",
+                ahw->fw_hal_version);
+
+       return 0;
+}
+
+static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter)
+{
+       int err = -EIO;
+
+       qlcnic_83xx_get_minidump_template(adapter);
+       if (qlcnic_83xx_get_port_info(adapter))
+               return err;
+
+       qlcnic_83xx_config_vnic_buff_descriptors(adapter);
+       adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
+       adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
+
+       dev_info(&adapter->pdev->dev,
+                "HAL Version: %d, Privileged function\n",
+                adapter->ahw->fw_hal_version);
+       return 0;
+}
+
+static int qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter *adapter)
+{
+       int err = -EIO;
+
+       qlcnic_83xx_get_fw_version(adapter);
+       if (qlcnic_set_eswitch_port_config(adapter))
+               return err;
+
+       if (qlcnic_83xx_get_port_info(adapter))
+               return err;
+
+       qlcnic_83xx_config_vnic_buff_descriptors(adapter);
+       adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
+       adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
+
+       dev_info(&adapter->pdev->dev, "HAL Version: %d, Virtual function\n",
+                adapter->ahw->fw_hal_version);
+
+       return 0;
+}
+
+/**
+ * qlcnic_83xx_vnic_opmode
+ *
+ * @adapter: adapter structure
+ * Identify virtual NIC operational modes.
+ *
+ * Returns: Success(0) or error code.
+ *
+ **/
+int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter)
+{
+       u32 op_mode, priv_level;
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       struct qlcnic_nic_template *nic_ops = adapter->nic_ops;
+
+       qlcnic_get_func_no(adapter);
+       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);
+       switch (priv_level) {
+       case QLCNIC_NON_PRIV_FUNC:
+               ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
+               ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
+               nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic;
+               break;
+       case QLCNIC_PRIV_FUNC:
+               ahw->op_mode = QLCNIC_PRIV_FUNC;
+               ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry;
+               nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic;
+               break;
+       case QLCNIC_MGMT_FUNC:
+               ahw->op_mode = QLCNIC_MGMT_FUNC;
+               ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
+               nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic;
+               break;
+       default:
+               dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n");
+               return -EIO;
+       }
+
+       if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) {
+               adapter->flags |= QLCNIC_ESWITCH_ENABLED;
+               if (adapter->drv_mac_learn)
+                       adapter->rx_mac_learn = true;
+       } else {
+               adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
+               adapter->rx_mac_learn = false;
+       }
+
+       ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
+       ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO;
+
+       return 0;
+}
+
+int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
+{
+       struct qlcnic_hardware_context *ahw = adapter->ahw;
+       struct qlc_83xx_idc *idc = &ahw->idc;
+       u32 state;
+
+       state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
+       while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit--) {
+               msleep(1000);
+               state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
+       }
+
+       if (!idc->vnic_wait_limit) {
+               dev_err(&adapter->pdev->dev,
+                       "vNIC mode not operational, state check timed out.\n");
+               return -EIO;
+       }
+
+       return 0;
+}
+
+int qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter *adapter,
+                                       int func, int *port_id)
+{
+       struct qlcnic_info nic_info;
+       int err = 0;
+
+       memset(&nic_info, 0, sizeof(struct qlcnic_info));
+
+       err = qlcnic_get_nic_info(adapter, &nic_info, func);
+       if (err)
+               return err;
+
+       if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY)
+               *port_id = nic_info.phys_port;
+       else
+               err = -EIO;
+
+       if (!err)
+               adapter->eswitch[*port_id].flags |= QLCNIC_SWITCH_ENABLE;
+
+       return err;
+}