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qlcnic: add idc debug registers 

When ever driver changes the device state, it should write
pci-func number and timestamp in debug registers.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sucheta Chakraborty 2010-05-13 03:07:50 +00:00 committed by David S. Miller
parent a5e463d0b1
commit 6df900e96c
2 changed files with 23 additions and 0 deletions
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2
drivers/net/qlcnic/qlcnic.h
View File

@ -960,6 +960,8 @@ struct qlcnic_adapter {
u8 mac_addr[ETH_ALEN];
u64 dev_rst_time;
struct qlcnic_adapter_stats stats;
struct qlcnic_recv_context recv_ctx;

21
drivers/net/qlcnic/qlcnic_main.c
View File

@ -84,6 +84,7 @@ static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter);
static void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter);
static void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter);
static void qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding);
static void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter);
static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
@ -620,6 +621,7 @@ wait_init:
goto err_out;
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
qlcnic_idc_debug_info(adapter, 1);
qlcnic_check_options(adapter);
@ -1056,6 +1058,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter = netdev_priv(netdev);
adapter->netdev = netdev;
adapter->pdev = pdev;
adapter->dev_rst_time = jiffies;
adapter->ahw.pci_func = pci_func_id;
revision_id = pdev->revision;
@ -1887,6 +1890,19 @@ static void qlcnic_poll_controller(struct net_device *netdev)
}
#endif
static void
qlcnic_idc_debug_info(struct qlcnic_adapter *adapter, u8 encoding)
{
u32 val;
val = adapter->portnum & 0xf;
val |= encoding << 7;
val |= (jiffies - adapter->dev_rst_time) << 8;
QLCWR32(adapter, QLCNIC_CRB_DRV_SCRATCH, val);
adapter->dev_rst_time = jiffies;
}
static int
qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
{
@ -2010,6 +2026,7 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
case QLCNIC_DEV_COLD:
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
qlcnic_idc_debug_info(adapter, 0);
qlcnic_api_unlock(adapter);
return 1;
@ -2102,6 +2119,8 @@ skip_ack_check:
qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
FW_POLL_DELAY * 2);
QLCDB(adapter, DRV, "Quiscing the driver\n");
qlcnic_idc_debug_info(adapter, 0);
qlcnic_api_unlock(adapter);
return;
}
@ -2111,6 +2130,7 @@ skip_ack_check:
QLCNIC_DEV_INITIALIZING);
set_bit(__QLCNIC_START_FW, &adapter->state);
QLCDB(adapter, DRV, "Restarting fw\n");
qlcnic_idc_debug_info(adapter, 0);
}
qlcnic_api_unlock(adapter);
@ -2206,6 +2226,7 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
if (state == QLCNIC_DEV_READY) {
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
QLCDB(adapter, DRV, "NEED_RESET state set\n");
qlcnic_idc_debug_info(adapter, 0);
}
qlcnic_api_unlock(adapter);