static void e752x_get_error_info()

in e752x_edac.c [838:943]

• 89 lines of code
• 15 McCabe index (conditional complexity)

static void e752x_get_error_info(struct mem_ctl_info *mci,
				 struct e752x_error_info *info)
{
	struct pci_dev *dev;
	struct e752x_pvt *pvt;

	memset(info, 0, sizeof(*info));
	pvt = (struct e752x_pvt *)mci->pvt_info;
	dev = pvt->dev_d0f1;
	pci_read_config_dword(dev, E752X_FERR_GLOBAL, &info->ferr_global);

	if (info->ferr_global) {
		if (pvt->dev_info->err_dev == PCI_DEVICE_ID_INTEL_3100_1_ERR) {
			pci_read_config_dword(dev, I3100_NSI_FERR,
					     &info->nsi_ferr);
			info->hi_ferr = 0;
		} else {
			pci_read_config_byte(dev, E752X_HI_FERR,
					     &info->hi_ferr);
			info->nsi_ferr = 0;
		}
		pci_read_config_word(dev, E752X_SYSBUS_FERR,
				&info->sysbus_ferr);
		pci_read_config_byte(dev, E752X_BUF_FERR, &info->buf_ferr);
		pci_read_config_word(dev, E752X_DRAM_FERR, &info->dram_ferr);
		pci_read_config_dword(dev, E752X_DRAM_SEC1_ADD,
				&info->dram_sec1_add);
		pci_read_config_word(dev, E752X_DRAM_SEC1_SYNDROME,
				&info->dram_sec1_syndrome);
		pci_read_config_dword(dev, E752X_DRAM_DED_ADD,
				&info->dram_ded_add);
		pci_read_config_dword(dev, E752X_DRAM_SCRB_ADD,
				&info->dram_scrb_add);
		pci_read_config_dword(dev, E752X_DRAM_RETR_ADD,
				&info->dram_retr_add);

		/* ignore the reserved bits just in case */
		if (info->hi_ferr & 0x7f)
			pci_write_config_byte(dev, E752X_HI_FERR,
					info->hi_ferr);

		if (info->nsi_ferr & NSI_ERR_MASK)
			pci_write_config_dword(dev, I3100_NSI_FERR,
					info->nsi_ferr);

		if (info->sysbus_ferr)
			pci_write_config_word(dev, E752X_SYSBUS_FERR,
					info->sysbus_ferr);

		if (info->buf_ferr & 0x0f)
			pci_write_config_byte(dev, E752X_BUF_FERR,
					info->buf_ferr);

		if (info->dram_ferr)
			pci_write_bits16(pvt->dev_d0f1, E752X_DRAM_FERR,
					 info->dram_ferr, info->dram_ferr);

		pci_write_config_dword(dev, E752X_FERR_GLOBAL,
				info->ferr_global);
	}

	pci_read_config_dword(dev, E752X_NERR_GLOBAL, &info->nerr_global);

	if (info->nerr_global) {
		if (pvt->dev_info->err_dev == PCI_DEVICE_ID_INTEL_3100_1_ERR) {
			pci_read_config_dword(dev, I3100_NSI_NERR,
					     &info->nsi_nerr);
			info->hi_nerr = 0;
		} else {
			pci_read_config_byte(dev, E752X_HI_NERR,
					     &info->hi_nerr);
			info->nsi_nerr = 0;
		}
		pci_read_config_word(dev, E752X_SYSBUS_NERR,
				&info->sysbus_nerr);
		pci_read_config_byte(dev, E752X_BUF_NERR, &info->buf_nerr);
		pci_read_config_word(dev, E752X_DRAM_NERR, &info->dram_nerr);
		pci_read_config_dword(dev, E752X_DRAM_SEC2_ADD,
				&info->dram_sec2_add);
		pci_read_config_word(dev, E752X_DRAM_SEC2_SYNDROME,
				&info->dram_sec2_syndrome);

		if (info->hi_nerr & 0x7f)
			pci_write_config_byte(dev, E752X_HI_NERR,
					info->hi_nerr);

		if (info->nsi_nerr & NSI_ERR_MASK)
			pci_write_config_dword(dev, I3100_NSI_NERR,
					info->nsi_nerr);

		if (info->sysbus_nerr)
			pci_write_config_word(dev, E752X_SYSBUS_NERR,
					info->sysbus_nerr);

		if (info->buf_nerr & 0x0f)
			pci_write_config_byte(dev, E752X_BUF_NERR,
					info->buf_nerr);

		if (info->dram_nerr)
			pci_write_bits16(pvt->dev_d0f1, E752X_DRAM_NERR,
					 info->dram_nerr, info->dram_nerr);

		pci_write_config_dword(dev, E752X_NERR_GLOBAL,
				info->nerr_global);
	}
}