static int flash_part_info_gen4()

in switch/switchtec.c [757:859]

• 101 lines of code
• 36 McCabe index (conditional complexity)

static int flash_part_info_gen4(struct switchtec_dev *stdev,
		struct switchtec_ioctl_flash_part_info *info)
{
	struct flash_info_regs_gen4 __iomem *fi = &stdev->mmio_flash_info->gen4;
	struct sys_info_regs_gen4 __iomem *si = &stdev->mmio_sys_info->gen4;
	struct active_partition_info_gen4 __iomem *af = &fi->active_flag;

	switch (info->flash_partition) {
	case SWITCHTEC_IOCTL_PART_MAP_0:
		set_fw_info_part(info, &fi->map0);
		break;
	case SWITCHTEC_IOCTL_PART_MAP_1:
		set_fw_info_part(info, &fi->map1);
		break;
	case SWITCHTEC_IOCTL_PART_KEY_0:
		set_fw_info_part(info, &fi->key0);
		if (ioread8(&af->key) == SWITCHTEC_GEN4_KEY0_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->key_running) == SWITCHTEC_GEN4_KEY0_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_KEY_1:
		set_fw_info_part(info, &fi->key1);
		if (ioread8(&af->key) == SWITCHTEC_GEN4_KEY1_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->key_running) == SWITCHTEC_GEN4_KEY1_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_BL2_0:
		set_fw_info_part(info, &fi->bl2_0);
		if (ioread8(&af->bl2) == SWITCHTEC_GEN4_BL2_0_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->bl2_running) == SWITCHTEC_GEN4_BL2_0_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_BL2_1:
		set_fw_info_part(info, &fi->bl2_1);
		if (ioread8(&af->bl2) == SWITCHTEC_GEN4_BL2_1_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->bl2_running) == SWITCHTEC_GEN4_BL2_1_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_CFG0:
		set_fw_info_part(info, &fi->cfg0);
		if (ioread8(&af->cfg) == SWITCHTEC_GEN4_CFG0_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->cfg_running) == SWITCHTEC_GEN4_CFG0_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_CFG1:
		set_fw_info_part(info, &fi->cfg1);
		if (ioread8(&af->cfg) == SWITCHTEC_GEN4_CFG1_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->cfg_running) == SWITCHTEC_GEN4_CFG1_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_IMG0:
		set_fw_info_part(info, &fi->img0);
		if (ioread8(&af->img) == SWITCHTEC_GEN4_IMG0_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->img_running) == SWITCHTEC_GEN4_IMG0_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_IMG1:
		set_fw_info_part(info, &fi->img1);
		if (ioread8(&af->img) == SWITCHTEC_GEN4_IMG1_ACTIVE)
			info->active |= SWITCHTEC_IOCTL_PART_ACTIVE;
		if (ioread16(&si->img_running) == SWITCHTEC_GEN4_IMG1_RUNNING)
			info->active |= SWITCHTEC_IOCTL_PART_RUNNING;
		break;
	case SWITCHTEC_IOCTL_PART_NVLOG:
		set_fw_info_part(info, &fi->nvlog);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR0:
		set_fw_info_part(info, &fi->vendor[0]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR1:
		set_fw_info_part(info, &fi->vendor[1]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR2:
		set_fw_info_part(info, &fi->vendor[2]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR3:
		set_fw_info_part(info, &fi->vendor[3]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR4:
		set_fw_info_part(info, &fi->vendor[4]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR5:
		set_fw_info_part(info, &fi->vendor[5]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR6:
		set_fw_info_part(info, &fi->vendor[6]);
		break;
	case SWITCHTEC_IOCTL_PART_VENDOR7:
		set_fw_info_part(info, &fi->vendor[7]);
		break;
	default:
		return -EINVAL;
	}

	return 0;
}