qlcnic: SR-IOV VF probe

o Add PCI device entry for VF.
o Add HW operations for VF.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 134 insertions, 0 deletions

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
index fb08ad02f7df..0c04e886cdc8 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c
@@ -7,8 +7,48 @@
 
 #include "qlcnic_sriov.h"
 #include "qlcnic.h"
+#include "qlcnic_83xx_hw.h"
 #include <linux/types.h>
 
+static struct qlcnic_hardware_ops qlcnic_sriov_vf_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,
+	.get_func_no			= qlcnic_83xx_get_func_no,
+	.api_lock			= qlcnic_83xx_cam_lock,
+	.api_unlock			= qlcnic_83xx_cam_unlock,
+	.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,
+	.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,
+};
+
+static struct qlcnic_nic_template qlcnic_sriov_vf_ops = {
+	.config_bridged_mode	= qlcnic_config_bridged_mode,
+	.config_led		= qlcnic_config_led,
+	.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,
+};
+
 int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs)
 {
 	struct qlcnic_sriov *sriov;
@@ -33,8 +73,102 @@ void __qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter)
 	kfree(adapter->ahw->sriov);
 }
 
+static void qlcnic_sriov_vf_cleanup(struct qlcnic_adapter *adapter)
+{
+	__qlcnic_sriov_cleanup(adapter);
+}
+
 void qlcnic_sriov_cleanup(struct qlcnic_adapter *adapter)
 {
 	if (qlcnic_sriov_pf_check(adapter))
 		qlcnic_sriov_pf_cleanup(adapter);
+
+	if (qlcnic_sriov_vf_check(adapter))
+		qlcnic_sriov_vf_cleanup(adapter);
+}
+
+static int qlcnic_sriov_setup_vf(struct qlcnic_adapter *adapter,
+				 int pci_using_dac)
+{
+	int err;
+
+	if (!qlcnic_use_msi_x && !!qlcnic_use_msi)
+		dev_warn(&adapter->pdev->dev,
+			 "83xx adapter do not support MSI interrupts\n");
+
+	err = qlcnic_setup_intr(adapter, 1);
+	if (err) {
+		dev_err(&adapter->pdev->dev, "Failed to setup interrupt\n");
+		goto err_out_disable_msi;
+	}
+
+	err = qlcnic_83xx_setup_mbx_intr(adapter);
+	if (err)
+		goto err_out_disable_msi;
+
+	err = qlcnic_sriov_init(adapter, 1);
+	if (err)
+		goto err_out_disable_mbx_intr;
+
+	err = qlcnic_setup_netdev(adapter, adapter->netdev, pci_using_dac);
+	if (err)
+		goto err_out_cleanup_sriov;
+
+	pci_set_drvdata(adapter->pdev, adapter);
+	dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
+		 adapter->netdev->name);
+	return 0;
+
+err_out_cleanup_sriov:
+	__qlcnic_sriov_cleanup(adapter);
+
+err_out_disable_mbx_intr:
+	qlcnic_83xx_free_mbx_intr(adapter);
+
+err_out_disable_msi:
+	qlcnic_teardown_intr(adapter);
+	return err;
+}
+
+int qlcnic_sriov_vf_init(struct qlcnic_adapter *adapter, int pci_using_dac)
+{
+	struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+	spin_lock_init(&ahw->mbx_lock);
+	set_bit(QLC_83XX_MBX_READY, &adapter->ahw->idc.status);
+	ahw->msix_supported = 1;
+
+	if (qlcnic_sriov_setup_vf(adapter, pci_using_dac))
+		return -EIO;
+
+	if (qlcnic_read_mac_addr(adapter))
+		dev_warn(&adapter->pdev->dev, "failed to read mac addr\n");
+
+	set_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status);
+	adapter->ahw->idc.delay = QLC_83XX_IDC_FW_POLL_DELAY;
+	adapter->ahw->reset_context = 0;
+	adapter->fw_fail_cnt = 0;
+	clear_bit(__QLCNIC_RESETTING, &adapter->state);
+	adapter->need_fw_reset = 0;
+	return 0;
+}
+
+void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *adapter)
+{
+	struct qlcnic_hardware_context *ahw = adapter->ahw;
+
+	ahw->op_mode = QLCNIC_SRIOV_VF_FUNC;
+	dev_info(&adapter->pdev->dev,
+		 "HAL Version: %d Non Privileged SRIOV function\n",
+		 ahw->fw_hal_version);
+	adapter->nic_ops = &qlcnic_sriov_vf_ops;
+	set_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state);
+	return;
+}
+
+void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *ahw)
+{
+	ahw->hw_ops		= &qlcnic_sriov_vf_hw_ops;
+	ahw->reg_tbl		= (u32 *)qlcnic_83xx_reg_tbl;
+	ahw->ext_reg_tbl	= (u32 *)qlcnic_83xx_ext_reg_tbl;
 }