On 6/3/25 8:54 AM, Fabio M. De Francesco wrote:
> Modify pci_print_aer() to take a printk() log level in preparation of a
> patch that logs PCIe Components and Link errors from ELOG.
>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Signed-off-by: Fabio M. De Francesco <fabio.m.de.francesco@xxxxxxxxxxxxxxx>
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> ---
> drivers/cxl/core/pci.c | 2 +-
> drivers/pci/pcie/aer.c | 16 ++++++++--------
> include/linux/aer.h | 4 ++--
> 3 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
> index 3b80e9a76ba86..ad8d7939c2e1c 100644
> --- a/drivers/cxl/core/pci.c
> +++ b/drivers/cxl/core/pci.c
> @@ -885,7 +885,7 @@ static void cxl_handle_rdport_errors(struct cxl_dev_state *cxlds)
> if (!cxl_rch_get_aer_severity(&aer_regs, &severity))
> return;
>
> - pci_print_aer(pdev, severity, &aer_regs);
> + pci_print_aer(KERN_ERR, pdev, severity, &aer_regs);
>
> if (severity == AER_CORRECTABLE)
> cxl_handle_rdport_cor_ras(cxlds, dport);
> diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
> index a1cf8c7ef628a..d0ebf7c15afa9 100644
> --- a/drivers/pci/pcie/aer.c
> +++ b/drivers/pci/pcie/aer.c
> @@ -760,7 +760,7 @@ int cper_severity_to_aer(int cper_severity)
> EXPORT_SYMBOL_GPL(cper_severity_to_aer);
> #endif
>
> -void pci_print_aer(struct pci_dev *dev, int aer_severity,
> +void pci_print_aer(char *level, struct pci_dev *dev, int aer_severity,
> struct aer_capability_regs *aer)
> {
> int layer, agent, tlp_header_valid = 0;
> @@ -785,14 +785,15 @@ void pci_print_aer(struct pci_dev *dev, int aer_severity,
> info.mask = mask;
> info.first_error = PCI_ERR_CAP_FEP(aer->cap_control);
>
> - pci_err(dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n", status, mask);
> + pci_printk(level, dev, "aer_status: 0x%08x, aer_mask: 0x%08x\n",
> + status, mask);
> __aer_print_error(dev, &info);
> - pci_err(dev, "aer_layer=%s, aer_agent=%s\n",
> - aer_error_layer[layer], aer_agent_string[agent]);
> + pci_printk(level, dev, "aer_layer=%s, aer_agent=%s\n",
> + aer_error_layer[layer], aer_agent_string[agent]);
>
> if (aer_severity != AER_CORRECTABLE)
> - pci_err(dev, "aer_uncor_severity: 0x%08x\n",
> - aer->uncor_severity);
> + pci_printk(level, dev, "aer_uncor_severity: 0x%08x\n",
> + aer->uncor_severity);
>
> if (tlp_header_valid)
> pcie_print_tlp_log(dev, &aer->header_log, dev_fmt(" "));
> @@ -1146,8 +1147,7 @@ static void aer_recover_work_func(struct work_struct *work)
> PCI_SLOT(entry.devfn), PCI_FUNC(entry.devfn));
> continue;
> }
> - pci_print_aer(pdev, entry.severity, entry.regs);
> -
> + pci_print_aer(KERN_ERR, pdev, entry.severity, entry.regs);
> /*
> * Memory for aer_capability_regs(entry.regs) is being
> * allocated from the ghes_estatus_pool to protect it from
> diff --git a/include/linux/aer.h b/include/linux/aer.h
> index 02940be66324e..45d0fb2e2e759 100644
> --- a/include/linux/aer.h
> +++ b/include/linux/aer.h
> @@ -64,8 +64,8 @@ static inline int pci_aer_clear_nonfatal_status(struct pci_dev *dev)
> static inline int pcie_aer_is_native(struct pci_dev *dev) { return 0; }
> #endif
>
> -void pci_print_aer(struct pci_dev *dev, int aer_severity,
> - struct aer_capability_regs *aer);
> +void pci_print_aer(char *level, struct pci_dev *dev, int aer_severity,
> + struct aer_capability_regs *aer);
> int cper_severity_to_aer(int cper_severity);
> void aer_recover_queue(int domain, unsigned int bus, unsigned int devfn,
> int severity, struct aer_capability_regs *aer_regs);
