diff options
Diffstat (limited to 'drivers/pci')
-rw-r--r-- | drivers/pci/pcie/pcie-dpc.c | 80 |
1 files changed, 24 insertions, 56 deletions
diff --git a/drivers/pci/pcie/pcie-dpc.c b/drivers/pci/pcie/pcie-dpc.c index 7b96169a808c..468440e8fb6f 100644 --- a/drivers/pci/pcie/pcie-dpc.c +++ b/drivers/pci/pcie/pcie-dpc.c @@ -17,26 +17,6 @@ #include "../pci.h" #include "aer/aerdrv.h" -struct rp_pio_header_log_regs { - u32 dw0; - u32 dw1; - u32 dw2; - u32 dw3; -}; - -struct dpc_rp_pio_regs { - u32 status; - u32 mask; - u32 severity; - u32 syserror; - u32 exception; - - struct rp_pio_header_log_regs header_log; - u32 impspec_log; - u32 tlp_prefix_log[4]; - u16 first_error; -}; - struct dpc_dev { struct pcie_device *dev; struct work_struct work; @@ -142,78 +122,66 @@ static void dpc_work(struct work_struct *work) ctl | PCI_EXP_DPC_CTL_INT_EN); } -static void dpc_rp_pio_get_info(struct dpc_dev *dpc, - struct dpc_rp_pio_regs *rp_pio) +static void dpc_rp_pio_get_info(struct dpc_dev *dpc) { struct device *dev = &dpc->dev->device; struct pci_dev *pdev = dpc->dev->port; + u16 cap = dpc->cap_pos, dpc_status, first_error; + u32 status, mask, sev, syserr, exc, dw0, dw1, dw2, dw3, log, prefix; int i; - u16 cap = dpc->cap_pos, dpc_status; - u32 status; - pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_STATUS, - &rp_pio->status); - pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_MASK, - &rp_pio->mask); + pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_STATUS, &status); + pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_MASK, &mask); dev_err(dev, "rp_pio_status: %#010x, rp_pio_mask: %#010x\n", - rp_pio->status, rp_pio->mask); + status, mask); - dpc->rp_pio_status = rp_pio->status; + dpc->rp_pio_status = status; - pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_SEVERITY, - &rp_pio->severity); - pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_SYSERROR, - &rp_pio->syserror); - pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_EXCEPTION, - &rp_pio->exception); + pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_SEVERITY, &sev); + pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_SYSERROR, &syserr); + pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_EXCEPTION, &exc); dev_err(dev, "RP PIO severity=%#010x, syserror=%#010x, exception=%#010x\n", - rp_pio->severity, rp_pio->syserror, rp_pio->exception); + sev, syserr, exc); /* Get First Error Pointer */ pci_read_config_word(pdev, cap + PCI_EXP_DPC_STATUS, &dpc_status); - rp_pio->first_error = (dpc_status & 0x1f00) >> 8; + first_error = (dpc_status & 0x1f00) >> 8; - status = (rp_pio->status & ~rp_pio->mask); + status &= ~mask; for (i = 0; i < ARRAY_SIZE(rp_pio_error_string); i++) { if (status & (1 << i)) dev_err(dev, "[%2d] %s%s\n", i, rp_pio_error_string[i], - rp_pio->first_error == i ? " (First)" : ""); + first_error == i ? " (First)" : ""); } if (dpc->rp_log_size < 4) return; pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG, - &rp_pio->header_log.dw0); + &dw0); pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG + 4, - &rp_pio->header_log.dw1); + &dw1); pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG + 8, - &rp_pio->header_log.dw2); + &dw2); pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_HEADER_LOG + 12, - &rp_pio->header_log.dw3); + &dw3); dev_err(dev, "TLP Header: %#010x %#010x %#010x %#010x\n", - rp_pio->header_log.dw0, rp_pio->header_log.dw1, - rp_pio->header_log.dw2, rp_pio->header_log.dw3); + dw0, dw1, dw2, dw3); if (dpc->rp_log_size < 5) return; - pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_IMPSPEC_LOG, - &rp_pio->impspec_log); - dev_err(dev, "RP PIO ImpSpec Log %#010x\n", rp_pio->impspec_log); + pci_read_config_dword(pdev, cap + PCI_EXP_DPC_RP_PIO_IMPSPEC_LOG, &log); + dev_err(dev, "RP PIO ImpSpec Log %#010x\n", log); for (i = 0; i < dpc->rp_log_size - 5; i++) { pci_read_config_dword(pdev, - cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG, - &rp_pio->tlp_prefix_log[i]); - dev_err(dev, "TLP Prefix Header: dw%d, %#010x\n", i, - rp_pio->tlp_prefix_log[i]); + cap + PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG, &prefix); + dev_err(dev, "TLP Prefix Header: dw%d, %#010x\n", i, prefix); } } static void dpc_process_rp_pio_error(struct dpc_dev *dpc) { - struct dpc_rp_pio_regs rp_pio_regs; - - dpc_rp_pio_get_info(dpc, &rp_pio_regs); + dpc_rp_pio_get_info(dpc); } |