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linuxdebug/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c

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null pointer error
2024-07-16 15:50:57 +02:00
// 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);
}