From c413d7682020a127f54744a1b30f597692aea1fd Mon Sep 17 00:00:00 2001 From: Huang Ying Date: Mon, 21 Feb 2011 13:54:43 +0800 Subject: ACPI, APEI, Add PCIe AER error information printing support The AER error information printing support is implemented in drivers/pci/pcie/aer/aer_print.c. So some string constants, functions and macros definitions can be re-used without being exported. The original PCIe AER error information printing function is not re-used directly because the overall format is quite different. And changing the original printing format may make some original users' scripts broken. Signed-off-by: Huang Ying CC: Jesse Barnes CC: Zhang Yanmin Signed-off-by: Len Brown --- drivers/pci/pcie/aer/aerdrv.h | 9 +----- drivers/pci/pcie/aer/aerdrv_errprint.c | 59 ++++++++++++++++++++++++++++++++++ 2 files changed, 60 insertions(+), 8 deletions(-) (limited to 'drivers/pci/pcie/aer') diff --git a/drivers/pci/pcie/aer/aerdrv.h b/drivers/pci/pcie/aer/aerdrv.h index 80c11d1..3eb7708 100644 --- a/drivers/pci/pcie/aer/aerdrv.h +++ b/drivers/pci/pcie/aer/aerdrv.h @@ -35,13 +35,6 @@ PCI_ERR_UNC_UNX_COMP| \ PCI_ERR_UNC_MALF_TLP) -struct header_log_regs { - unsigned int dw0; - unsigned int dw1; - unsigned int dw2; - unsigned int dw3; -}; - #define AER_MAX_MULTI_ERR_DEVICES 5 /* Not likely to have more */ struct aer_err_info { struct pci_dev *dev[AER_MAX_MULTI_ERR_DEVICES]; @@ -59,7 +52,7 @@ struct aer_err_info { unsigned int status; /* COR/UNCOR Error Status */ unsigned int mask; /* COR/UNCOR Error Mask */ - struct header_log_regs tlp; /* TLP Header */ + struct aer_header_log_regs tlp; /* TLP Header */ }; struct aer_err_source { diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c index 7a237f6..b07a42e 100644 --- a/drivers/pci/pcie/aer/aerdrv_errprint.c +++ b/drivers/pci/pcie/aer/aerdrv_errprint.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "aerdrv.h" @@ -201,3 +202,61 @@ void aer_print_port_info(struct pci_dev *dev, struct aer_err_info *info) info->multi_error_valid ? "Multiple " : "", aer_error_severity_string[info->severity], info->id); } + +#ifdef CONFIG_ACPI_APEI_PCIEAER +static int cper_severity_to_aer(int cper_severity) +{ + switch (cper_severity) { + case CPER_SEV_RECOVERABLE: + return AER_NONFATAL; + case CPER_SEV_FATAL: + return AER_FATAL; + default: + return AER_CORRECTABLE; + } +} + +void cper_print_aer(const char *prefix, int cper_severity, + struct aer_capability_regs *aer) +{ + int aer_severity, layer, agent, status_strs_size, tlp_header_valid = 0; + u32 status, mask; + const char **status_strs; + + aer_severity = cper_severity_to_aer(cper_severity); + if (aer_severity == AER_CORRECTABLE) { + status = aer->cor_status; + mask = aer->cor_mask; + status_strs = aer_correctable_error_string; + status_strs_size = ARRAY_SIZE(aer_correctable_error_string); + } else { + status = aer->uncor_status; + mask = aer->uncor_mask; + status_strs = aer_uncorrectable_error_string; + status_strs_size = ARRAY_SIZE(aer_uncorrectable_error_string); + tlp_header_valid = status & AER_LOG_TLP_MASKS; + } + layer = AER_GET_LAYER_ERROR(aer_severity, status); + agent = AER_GET_AGENT(aer_severity, status); + printk("%s""aer_status: 0x%08x, aer_mask: 0x%08x\n", + prefix, status, mask); + cper_print_bits(prefix, status, status_strs, status_strs_size); + printk("%s""aer_layer=%s, aer_agent=%s\n", prefix, + aer_error_layer[layer], aer_agent_string[agent]); + if (aer_severity != AER_CORRECTABLE) + printk("%s""aer_uncor_severity: 0x%08x\n", + prefix, aer->uncor_severity); + if (tlp_header_valid) { + const unsigned char *tlp; + tlp = (const unsigned char *)&aer->header_log; + printk("%s""aer_tlp_header:" + " %02x%02x%02x%02x %02x%02x%02x%02x" + " %02x%02x%02x%02x %02x%02x%02x%02x\n", + prefix, *(tlp + 3), *(tlp + 2), *(tlp + 1), *tlp, + *(tlp + 7), *(tlp + 6), *(tlp + 5), *(tlp + 4), + *(tlp + 11), *(tlp + 10), *(tlp + 9), + *(tlp + 8), *(tlp + 15), *(tlp + 14), + *(tlp + 13), *(tlp + 12)); + } +} +#endif -- cgit v1.1