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qlcnic: Allow firmware dump collection when auto firmware recovery is disabled

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o Allow driver to collect firmware dump, during a forced firmware dump
  operation, when auto firmware recovery is disabled. Also, during this
  operation, driver should not allow reset recovery to be performed.

Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Manish Chopra 2013-12-16 15:37:01 -05:00 committed by David S. Miller
parent 3fc38e267b
commit 30fa15f64e
2 changed files with 36 additions and 20 deletions
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1
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
View File

@ -662,4 +662,5 @@ pci_ers_result_t qlcnic_83xx_io_error_detected(struct pci_dev *,
pci_channel_state_t);
pci_ers_result_t qlcnic_83xx_io_slot_reset(struct pci_dev *);
void qlcnic_83xx_io_resume(struct pci_dev *);
void qlcnic_83xx_stop_hw(struct qlcnic_adapter *);
#endif

55
drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
View File

@ -740,6 +740,7 @@ static int qlcnic_83xx_idc_unknown_state(struct qlcnic_adapter *adapter)
adapter->ahw->idc.err_code = -EIO;
dev_err(&adapter->pdev->dev,
"%s: Device in unknown state\n", __func__);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
return 0;
}
@ -818,7 +819,6 @@ static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter)
struct qlcnic_hardware_context *ahw = adapter->ahw;
struct qlcnic_mailbox *mbx = ahw->mailbox;
int ret = 0;
u32 owner;
u32 val;
/* Perform NIC configuration based ready state entry actions */
@ -848,9 +848,9 @@ static int qlcnic_83xx_idc_ready_state(struct qlcnic_adapter *adapter)
set_bit(__QLCNIC_RESETTING, &adapter->state);
qlcnic_83xx_idc_enter_need_reset_state(adapter, 1);
} else {
owner = qlcnic_83xx_idc_find_reset_owner_id(adapter);
if (ahw->pci_func == owner)
qlcnic_dump_fw(adapter);
netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
__func__);
qlcnic_83xx_idc_enter_failed_state(adapter, 1);
}
return -EIO;
}
@ -948,13 +948,26 @@ static int qlcnic_83xx_idc_need_quiesce_state(struct qlcnic_adapter *adapter)
return 0;
}
static int qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter)
static void qlcnic_83xx_idc_failed_state(struct qlcnic_adapter *adapter)
{
dev_err(&adapter->pdev->dev, "%s: please restart!!\n", __func__);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
adapter->ahw->idc.err_code = -EIO;
struct qlcnic_hardware_context *ahw = adapter->ahw;
u32 val, owner;
return 0;
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
owner = qlcnic_83xx_idc_find_reset_owner_id(adapter);
if (ahw->pci_func == owner) {
qlcnic_83xx_stop_hw(adapter);
qlcnic_dump_fw(adapter);
}
}
netdev_warn(adapter->netdev, "%s: Reboot will be required to recover the adapter!!\n",
__func__);
clear_bit(__QLCNIC_RESETTING, &adapter->state);
ahw->idc.err_code = -EIO;
return;
}
static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter)
@ -1063,12 +1076,6 @@ void qlcnic_83xx_idc_poll_dev_state(struct work_struct *work)
adapter->ahw->idc.prev_state = adapter->ahw->idc.curr_state;
qlcnic_83xx_periodic_tasks(adapter);
/* Do not reschedule if firmaware is in hanged state and auto
* recovery is disabled
*/
if ((adapter->flags & QLCNIC_FW_HANG) && !qlcnic_auto_fw_reset)
return;
/* Re-schedule the function */
if (test_bit(QLC_83XX_MODULE_LOADED, &adapter->ahw->idc.status))
qlcnic_schedule_work(adapter, qlcnic_83xx_idc_poll_dev_state,
@ -1219,10 +1226,10 @@ void qlcnic_83xx_idc_request_reset(struct qlcnic_adapter *adapter, u32 key)
}
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
if ((val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) ||
!qlcnic_auto_fw_reset) {
dev_err(&adapter->pdev->dev,
"%s:failed, device in non reset mode\n", __func__);
if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
__func__);
qlcnic_83xx_idc_enter_failed_state(adapter, 0);
qlcnic_83xx_unlock_driver(adapter);
return;
}
@ -1939,7 +1946,7 @@ static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev,
p_dev->ahw->reset.seq_index = index;
}
static void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev)
void qlcnic_83xx_stop_hw(struct qlcnic_adapter *p_dev)
{
p_dev->ahw->reset.seq_index = 0;
@ -1994,6 +2001,14 @@ static int qlcnic_83xx_restart_hw(struct qlcnic_adapter *adapter)
val = QLCRDX(adapter->ahw, QLC_83XX_IDC_CTRL);
if (!(val & QLC_83XX_IDC_GRACEFULL_RESET))
qlcnic_dump_fw(adapter);
if (val & QLC_83XX_IDC_DISABLE_FW_RESET_RECOVERY) {
netdev_info(adapter->netdev, "%s: Auto firmware recovery is disabled\n",
__func__);
qlcnic_83xx_idc_enter_failed_state(adapter, 1);
return err;
}
qlcnic_83xx_init_hw(adapter);
if (qlcnic_83xx_copy_bootloader(adapter))