diff options
Diffstat (limited to 'drivers/cxl/core/ras.c')
| -rw-r--r-- | drivers/cxl/core/ras.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/cxl/core/ras.c b/drivers/cxl/core/ras.c index 91273af6ccbc..485a831695c7 100644 --- a/drivers/cxl/core/ras.c +++ b/drivers/cxl/core/ras.c @@ -7,6 +7,30 @@ #include <cxlmem.h> #include "trace.h" +static void cxl_cper_trace_corr_port_prot_err(struct pci_dev *pdev, + struct cxl_ras_capability_regs ras_cap) +{ + u32 status = ras_cap.cor_status & ~ras_cap.cor_mask; + + trace_cxl_port_aer_correctable_error(&pdev->dev, status); +} + +static void cxl_cper_trace_uncorr_port_prot_err(struct pci_dev *pdev, + struct cxl_ras_capability_regs ras_cap) +{ + u32 status = ras_cap.uncor_status & ~ras_cap.uncor_mask; + u32 fe; + + if (hweight32(status) > 1) + fe = BIT(FIELD_GET(CXL_RAS_CAP_CONTROL_FE_MASK, + ras_cap.cap_control)); + else + fe = status; + + trace_cxl_port_aer_uncorrectable_error(&pdev->dev, status, fe, + ras_cap.header_log); +} + static void cxl_cper_trace_corr_prot_err(struct pci_dev *pdev, struct cxl_ras_capability_regs ras_cap) { @@ -49,12 +73,25 @@ static void cxl_cper_handle_prot_err(struct cxl_cper_prot_err_work_data *data) pci_get_domain_bus_and_slot(data->prot_err.agent_addr.segment, data->prot_err.agent_addr.bus, devfn); + int port_type; if (!pdev) return; guard(device)(&pdev->dev); + port_type = pci_pcie_type(pdev); + if (port_type == PCI_EXP_TYPE_ROOT_PORT || + port_type == PCI_EXP_TYPE_DOWNSTREAM || + port_type == PCI_EXP_TYPE_UPSTREAM) { + if (data->severity == AER_CORRECTABLE) + cxl_cper_trace_corr_port_prot_err(pdev, data->ras_cap); + else + cxl_cper_trace_uncorr_port_prot_err(pdev, data->ras_cap); + + return; + } + if (data->severity == AER_CORRECTABLE) cxl_cper_trace_corr_prot_err(pdev, data->ras_cap); else |