diff options
Diffstat (limited to 'drivers/pci/pcie/aer/aerdrv_core.c')
| -rw-r--r-- | drivers/pci/pcie/aer/aerdrv_core.c | 61 |
1 files changed, 15 insertions, 46 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 70758881480b..06bad96af415 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -32,53 +32,28 @@ static bool nosourceid; module_param(forceload, bool, 0); module_param(nosourceid, bool, 0); +#define PCI_EXP_AER_FLAGS (PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | \ + PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE) + int pci_enable_pcie_error_reporting(struct pci_dev *dev) { - u16 reg16 = 0; - int pos; - if (pcie_aer_get_firmware_first(dev)) return -EIO; - pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); - if (!pos) - return -EIO; - - pos = pci_pcie_cap(dev); - if (!pos) + if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR)) return -EIO; - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, ®16); - reg16 |= (PCI_EXP_DEVCTL_CERE | - PCI_EXP_DEVCTL_NFERE | - PCI_EXP_DEVCTL_FERE | - PCI_EXP_DEVCTL_URRE); - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16); - - return 0; + return pcie_capability_set_word(dev, PCI_EXP_DEVCTL, PCI_EXP_AER_FLAGS); } EXPORT_SYMBOL_GPL(pci_enable_pcie_error_reporting); int pci_disable_pcie_error_reporting(struct pci_dev *dev) { - u16 reg16 = 0; - int pos; - if (pcie_aer_get_firmware_first(dev)) return -EIO; - pos = pci_pcie_cap(dev); - if (!pos) - return -EIO; - - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, ®16); - reg16 &= ~(PCI_EXP_DEVCTL_CERE | - PCI_EXP_DEVCTL_NFERE | - PCI_EXP_DEVCTL_FERE | - PCI_EXP_DEVCTL_URRE); - pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, reg16); - - return 0; + return pcie_capability_clear_word(dev, PCI_EXP_DEVCTL, + PCI_EXP_AER_FLAGS); } EXPORT_SYMBOL_GPL(pci_disable_pcie_error_reporting); @@ -151,18 +126,12 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info) */ if (atomic_read(&dev->enable_cnt) == 0) return false; - pos = pci_pcie_cap(dev); - if (!pos) - return false; /* Check if AER is enabled */ - pci_read_config_word(dev, pos + PCI_EXP_DEVCTL, ®16); - if (!(reg16 & ( - PCI_EXP_DEVCTL_CERE | - PCI_EXP_DEVCTL_NFERE | - PCI_EXP_DEVCTL_FERE | - PCI_EXP_DEVCTL_URRE))) + pcie_capability_read_word(dev, PCI_EXP_DEVCTL, ®16); + if (!(reg16 & PCI_EXP_AER_FLAGS)) return false; + pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_ERR); if (!pos) return false; @@ -240,7 +209,7 @@ static bool find_source_device(struct pci_dev *parent, static int report_error_detected(struct pci_dev *dev, void *data) { pci_ers_result_t vote; - struct pci_error_handlers *err_handler; + const struct pci_error_handlers *err_handler; struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; @@ -274,7 +243,7 @@ static int report_error_detected(struct pci_dev *dev, void *data) static int report_mmio_enabled(struct pci_dev *dev, void *data) { pci_ers_result_t vote; - struct pci_error_handlers *err_handler; + const struct pci_error_handlers *err_handler; struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; @@ -292,7 +261,7 @@ static int report_mmio_enabled(struct pci_dev *dev, void *data) static int report_slot_reset(struct pci_dev *dev, void *data) { pci_ers_result_t vote; - struct pci_error_handlers *err_handler; + const struct pci_error_handlers *err_handler; struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; @@ -309,7 +278,7 @@ static int report_slot_reset(struct pci_dev *dev, void *data) static int report_resume(struct pci_dev *dev, void *data) { - struct pci_error_handlers *err_handler; + const struct pci_error_handlers *err_handler; dev->error_state = pci_channel_io_normal; @@ -465,7 +434,7 @@ static pci_ers_result_t reset_link(struct pci_dev *dev) if (driver && driver->reset_link) { status = driver->reset_link(udev); - } else if (udev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) { + } else if (pci_pcie_type(udev) == PCI_EXP_TYPE_DOWNSTREAM) { status = default_downstream_reset_link(udev); } else { dev_printk(KERN_DEBUG, &dev->dev, |