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

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>
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Manish Chopra authored and David S. Miller committed Dec 17, 2013
1 parent 3fc38e2 commit 30fa15f
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Showing 2 changed files with 35 additions and 19 deletions.
1 change: 1 addition & 0 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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
53 changes: 34 additions & 19 deletions drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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;
}

Expand Down Expand Up @@ -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 */
Expand Down Expand Up @@ -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;
}
Expand Down Expand Up @@ -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__);
struct qlcnic_hardware_context *ahw = adapter->ahw;
u32 val, owner;

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);
adapter->ahw->idc.err_code = -EIO;
ahw->idc.err_code = -EIO;

return 0;
return;
}

static int qlcnic_83xx_idc_quiesce_state(struct qlcnic_adapter *adapter)
Expand Down Expand Up @@ -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,
Expand Down Expand Up @@ -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;
}
Expand Down Expand Up @@ -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;

Expand Down Expand Up @@ -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))
Expand Down

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