Commit 6df900e9 authored by Sucheta Chakraborty's avatar Sucheta Chakraborty Committed by David S. Miller

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: default avatarSucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: default avatarAmit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a5e463d0
...@@ -960,6 +960,8 @@ struct qlcnic_adapter { ...@@ -960,6 +960,8 @@ struct qlcnic_adapter {
u8 mac_addr[ETH_ALEN]; u8 mac_addr[ETH_ALEN];
u64 dev_rst_time;
struct qlcnic_adapter_stats stats; struct qlcnic_adapter_stats stats;
struct qlcnic_recv_context recv_ctx; struct qlcnic_recv_context recv_ctx;
......
...@@ -84,6 +84,7 @@ static void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter); ...@@ -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_create_diag_entries(struct qlcnic_adapter *adapter);
static void qlcnic_remove_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 void qlcnic_clr_all_drv_state(struct qlcnic_adapter *adapter);
static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter); static int qlcnic_can_start_firmware(struct qlcnic_adapter *adapter);
...@@ -620,6 +621,7 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter) ...@@ -620,6 +621,7 @@ qlcnic_start_firmware(struct qlcnic_adapter *adapter)
goto err_out; goto err_out;
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY); QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_READY);
qlcnic_idc_debug_info(adapter, 1);
qlcnic_check_options(adapter); qlcnic_check_options(adapter);
...@@ -1056,6 +1058,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ...@@ -1056,6 +1058,7 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter = netdev_priv(netdev); adapter = netdev_priv(netdev);
adapter->netdev = netdev; adapter->netdev = netdev;
adapter->pdev = pdev; adapter->pdev = pdev;
adapter->dev_rst_time = jiffies;
adapter->ahw.pci_func = pci_func_id; adapter->ahw.pci_func = pci_func_id;
revision_id = pdev->revision; revision_id = pdev->revision;
...@@ -1887,6 +1890,19 @@ static void qlcnic_poll_controller(struct net_device *netdev) ...@@ -1887,6 +1890,19 @@ static void qlcnic_poll_controller(struct net_device *netdev)
} }
#endif #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 static int
qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state) qlcnic_set_drv_state(struct qlcnic_adapter *adapter, u8 state)
{ {
...@@ -2010,6 +2026,7 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter) ...@@ -2010,6 +2026,7 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
case QLCNIC_DEV_COLD: case QLCNIC_DEV_COLD:
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING); QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER); QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
qlcnic_idc_debug_info(adapter, 0);
qlcnic_api_unlock(adapter); qlcnic_api_unlock(adapter);
return 1; return 1;
...@@ -2102,6 +2119,8 @@ qlcnic_fwinit_work(struct work_struct *work) ...@@ -2102,6 +2119,8 @@ qlcnic_fwinit_work(struct work_struct *work)
qlcnic_schedule_work(adapter, qlcnic_fwinit_work, qlcnic_schedule_work(adapter, qlcnic_fwinit_work,
FW_POLL_DELAY * 2); FW_POLL_DELAY * 2);
QLCDB(adapter, DRV, "Quiscing the driver\n"); QLCDB(adapter, DRV, "Quiscing the driver\n");
qlcnic_idc_debug_info(adapter, 0);
qlcnic_api_unlock(adapter); qlcnic_api_unlock(adapter);
return; return;
} }
...@@ -2111,6 +2130,7 @@ qlcnic_fwinit_work(struct work_struct *work) ...@@ -2111,6 +2130,7 @@ qlcnic_fwinit_work(struct work_struct *work)
QLCNIC_DEV_INITIALIZING); QLCNIC_DEV_INITIALIZING);
set_bit(__QLCNIC_START_FW, &adapter->state); set_bit(__QLCNIC_START_FW, &adapter->state);
QLCDB(adapter, DRV, "Restarting fw\n"); QLCDB(adapter, DRV, "Restarting fw\n");
qlcnic_idc_debug_info(adapter, 0);
} }
qlcnic_api_unlock(adapter); qlcnic_api_unlock(adapter);
...@@ -2206,6 +2226,7 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter) ...@@ -2206,6 +2226,7 @@ qlcnic_dev_request_reset(struct qlcnic_adapter *adapter)
if (state == QLCNIC_DEV_READY) { if (state == QLCNIC_DEV_READY) {
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET); QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_NEED_RESET);
QLCDB(adapter, DRV, "NEED_RESET state set\n"); QLCDB(adapter, DRV, "NEED_RESET state set\n");
qlcnic_idc_debug_info(adapter, 0);
} }
qlcnic_api_unlock(adapter); qlcnic_api_unlock(adapter);
......
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