diff options
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware-debugfs.c')
| -rw-r--r-- | drivers/pci/controller/dwc/pcie-designware-debugfs.c | 73 |
1 files changed, 63 insertions, 10 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-debugfs.c b/drivers/pci/controller/dwc/pcie-designware-debugfs.c index 0d1340c9b364..d0884253be97 100644 --- a/drivers/pci/controller/dwc/pcie-designware-debugfs.c +++ b/drivers/pci/controller/dwc/pcie-designware-debugfs.c @@ -131,13 +131,16 @@ static const u32 err_inj_type_mask[] = { * supported in DWC RAS DES * @name: Name of the error counter * @group_no: Group number that the event belongs to. The value can range - * from 0 to 4 + * from 0 to 7 * @event_no: Event number of the particular event. The value ranges are: * Group 0: 0 - 10 * Group 1: 5 - 13 * Group 2: 0 - 7 * Group 3: 0 - 5 * Group 4: 0 - 1 + * Group 5: 0 - 13 + * Group 6: 0 - 6 + * Group 7: 0 - 25 */ struct dwc_pcie_event_counter { const char *name; @@ -181,6 +184,53 @@ static const struct dwc_pcie_event_counter event_list[] = { {"completion_timeout", 0x3, 0x5}, {"ebuf_skp_add", 0x4, 0x0}, {"ebuf_skp_del", 0x4, 0x1}, + {"l0_to_recovery_entry", 0x5, 0x0}, + {"l1_to_recovery_entry", 0x5, 0x1}, + {"tx_l0s_entry", 0x5, 0x2}, + {"rx_l0s_entry", 0x5, 0x3}, + {"aspm_l1_reject", 0x5, 0x4}, + {"l1_entry", 0x5, 0x5}, + {"l1_cpm", 0x5, 0x6}, + {"l1.1_entry", 0x5, 0x7}, + {"l1.2_entry", 0x5, 0x8}, + {"l1_short_duration", 0x5, 0x9}, + {"l1.2_abort", 0x5, 0xa}, + {"l2_entry", 0x5, 0xb}, + {"speed_change", 0x5, 0xc}, + {"link_width_change", 0x5, 0xd}, + {"tx_ack_dllp", 0x6, 0x0}, + {"tx_update_fc_dllp", 0x6, 0x1}, + {"rx_ack_dllp", 0x6, 0x2}, + {"rx_update_fc_dllp", 0x6, 0x3}, + {"rx_nullified_tlp", 0x6, 0x4}, + {"tx_nullified_tlp", 0x6, 0x5}, + {"rx_duplicate_tlp", 0x6, 0x6}, + {"tx_memory_write", 0x7, 0x0}, + {"tx_memory_read", 0x7, 0x1}, + {"tx_configuration_write", 0x7, 0x2}, + {"tx_configuration_read", 0x7, 0x3}, + {"tx_io_write", 0x7, 0x4}, + {"tx_io_read", 0x7, 0x5}, + {"tx_completion_without_data", 0x7, 0x6}, + {"tx_completion_w_data", 0x7, 0x7}, + {"tx_message_tlp_pcie_vc_only", 0x7, 0x8}, + {"tx_atomic", 0x7, 0x9}, + {"tx_tlp_with_prefix", 0x7, 0xa}, + {"rx_memory_write", 0x7, 0xb}, + {"rx_memory_read", 0x7, 0xc}, + {"rx_configuration_write", 0x7, 0xd}, + {"rx_configuration_read", 0x7, 0xe}, + {"rx_io_write", 0x7, 0xf}, + {"rx_io_read", 0x7, 0x10}, + {"rx_completion_without_data", 0x7, 0x11}, + {"rx_completion_w_data", 0x7, 0x12}, + {"rx_message_tlp_pcie_vc_only", 0x7, 0x13}, + {"rx_atomic", 0x7, 0x14}, + {"rx_tlp_with_prefix", 0x7, 0x15}, + {"tx_ccix_tlp", 0x7, 0x16}, + {"rx_ccix_tlp", 0x7, 0x17}, + {"tx_deferrable_memory_write_tlp", 0x7, 0x18}, + {"rx_deferrable_memory_write_tlp", 0x7, 0x19}, }; static ssize_t lane_detect_read(struct file *file, char __user *buf, @@ -208,10 +258,11 @@ static ssize_t lane_detect_write(struct file *file, const char __user *buf, struct dw_pcie *pci = file->private_data; struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; u32 lane, val; + int ret; - val = kstrtou32_from_user(buf, count, 0, &lane); - if (val) - return val; + ret = kstrtou32_from_user(buf, count, 0, &lane); + if (ret) + return ret; val = dw_pcie_readl_dbi(pci, rinfo->ras_cap_offset + SD_STATUS_L1LANE_REG); val &= ~(LANE_SELECT); @@ -347,10 +398,11 @@ static ssize_t counter_enable_write(struct file *file, const char __user *buf, struct dw_pcie *pci = pdata->pci; struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; u32 val, enable; + int ret; - val = kstrtou32_from_user(buf, count, 0, &enable); - if (val) - return val; + ret = kstrtou32_from_user(buf, count, 0, &enable); + if (ret) + return ret; mutex_lock(&rinfo->reg_event_lock); set_event_number(pdata, pci, rinfo); @@ -408,10 +460,11 @@ static ssize_t counter_lane_write(struct file *file, const char __user *buf, struct dw_pcie *pci = pdata->pci; struct dwc_pcie_rasdes_info *rinfo = pci->debugfs->rasdes_info; u32 val, lane; + int ret; - val = kstrtou32_from_user(buf, count, 0, &lane); - if (val) - return val; + ret = kstrtou32_from_user(buf, count, 0, &lane); + if (ret) + return ret; mutex_lock(&rinfo->reg_event_lock); set_event_number(pdata, pci, rinfo); |