diff options
Diffstat (limited to 'drivers/pci/pcie/aer.c')
| -rw-r--r-- | drivers/pci/pcie/aer.c | 66 |
1 files changed, 38 insertions, 28 deletions
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index 05fc30bb5134..508474e17183 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -180,7 +180,8 @@ static int disable_ecrc_checking(struct pci_dev *dev) } /** - * pcie_set_ecrc_checking - set/unset PCIe ECRC checking for a device based on global policy + * pcie_set_ecrc_checking - set/unset PCIe ECRC checking for a device based + * on global policy * @dev: the PCI device */ void pcie_set_ecrc_checking(struct pci_dev *dev) @@ -230,7 +231,7 @@ int pcie_aer_is_native(struct pci_dev *dev) return pcie_ports_native || host->native_aer; } -EXPORT_SYMBOL_NS_GPL(pcie_aer_is_native, CXL); +EXPORT_SYMBOL_NS_GPL(pcie_aer_is_native, "CXL"); static int pci_enable_pcie_error_reporting(struct pci_dev *dev) { @@ -664,13 +665,6 @@ static void pci_rootport_aer_stats_incr(struct pci_dev *pdev, } } -static void __print_tlp_header(struct pci_dev *dev, - struct aer_header_log_regs *t) -{ - pci_err(dev, " TLP Header: %08x %08x %08x %08x\n", - t->dw0, t->dw1, t->dw2, t->dw3); -} - static void __aer_print_error(struct pci_dev *dev, struct aer_err_info *info) { @@ -725,7 +719,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info) __aer_print_error(dev, info); if (info->tlp_header_valid) - __print_tlp_header(dev, &info->tlp); + pcie_print_tlp_log(dev, &info->tlp, dev_fmt(" ")); out: if (info->id && info->error_dev_num > 1 && info->id == id) @@ -797,12 +791,12 @@ void pci_print_aer(struct pci_dev *dev, int aer_severity, aer->uncor_severity); if (tlp_header_valid) - __print_tlp_header(dev, &aer->header_log); + pcie_print_tlp_log(dev, &aer->header_log, dev_fmt(" ")); trace_aer_event(dev_name(&dev->dev), (status & ~mask), aer_severity, tlp_header_valid, &aer->header_log); } -EXPORT_SYMBOL_NS_GPL(pci_print_aer, CXL); +EXPORT_SYMBOL_NS_GPL(pci_print_aer, "CXL"); /** * add_error_device - list device to be handled @@ -1149,14 +1143,16 @@ static void aer_recover_work_func(struct work_struct *work) continue; } pci_print_aer(pdev, entry.severity, entry.regs); + /* - * Memory for aer_capability_regs(entry.regs) is being allocated from the - * ghes_estatus_pool to protect it from overwriting when multiple sections - * are present in the error status. Thus free the same after processing - * the data. + * Memory for aer_capability_regs(entry.regs) is being + * allocated from the ghes_estatus_pool to protect it from + * overwriting when multiple sections are present in the + * error status. Thus free the same after processing the + * data. */ ghes_estatus_pool_region_free((unsigned long)entry.regs, - sizeof(struct aer_capability_regs)); + sizeof(struct aer_capability_regs)); if (entry.severity == AER_NONFATAL) pcie_do_recovery(pdev, pci_channel_io_normal, @@ -1210,7 +1206,7 @@ int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info) { int type = pci_pcie_type(dev); int aer = dev->aer_cap; - int temp; + u32 aercc; /* Must reset in this function */ info->status = 0; @@ -1241,19 +1237,15 @@ int aer_get_device_error_info(struct pci_dev *dev, struct aer_err_info *info) return 0; /* Get First Error Pointer */ - pci_read_config_dword(dev, aer + PCI_ERR_CAP, &temp); - info->first_error = PCI_ERR_CAP_FEP(temp); + pci_read_config_dword(dev, aer + PCI_ERR_CAP, &aercc); + info->first_error = PCI_ERR_CAP_FEP(aercc); if (info->status & AER_LOG_TLP_MASKS) { info->tlp_header_valid = 1; - pci_read_config_dword(dev, - aer + PCI_ERR_HEADER_LOG, &info->tlp.dw0); - pci_read_config_dword(dev, - aer + PCI_ERR_HEADER_LOG + 4, &info->tlp.dw1); - pci_read_config_dword(dev, - aer + PCI_ERR_HEADER_LOG + 8, &info->tlp.dw2); - pci_read_config_dword(dev, - aer + PCI_ERR_HEADER_LOG + 12, &info->tlp.dw3); + pcie_read_tlp_log(dev, aer + PCI_ERR_HEADER_LOG, + aer + PCI_ERR_PREFIX_LOG, + aer_tlp_log_len(dev, aercc), + &info->tlp); } } @@ -1505,6 +1497,22 @@ static int aer_probe(struct pcie_device *dev) return 0; } +static int aer_suspend(struct pcie_device *dev) +{ + struct aer_rpc *rpc = get_service_data(dev); + + aer_disable_rootport(rpc); + return 0; +} + +static int aer_resume(struct pcie_device *dev) +{ + struct aer_rpc *rpc = get_service_data(dev); + + aer_enable_rootport(rpc); + return 0; +} + /** * aer_root_reset - reset Root Port hierarchy, RCEC, or RCiEP * @dev: pointer to Root Port, RCEC, or RCiEP @@ -1569,6 +1577,8 @@ static struct pcie_port_service_driver aerdriver = { .service = PCIE_PORT_SERVICE_AER, .probe = aer_probe, + .suspend = aer_suspend, + .resume = aer_resume, .remove = aer_remove, }; |