Ejemplos de jailhouse_cell_irqchips en C++ (Cpp)

Ejemplo n.º 1

Archivo: irqchip.c Proyecto: jamesli21/jailhouse

static const struct jailhouse_irqchip *
irqchip_find_config(struct jailhouse_cell_desc *config)
{
	const struct jailhouse_irqchip *irq_config =
		jailhouse_cell_irqchips(config);

	if (config->num_irqchips)
		return irq_config;
	else
		return NULL;
}

Ejemplo n.º 2

Archivo: ioapic.c Proyecto: AdamRLukaitis/jailhouse

int ioapic_cell_init(struct cell *cell)
{
	const struct jailhouse_irqchip *irqchip =
		jailhouse_cell_irqchips(cell->config);
	struct cell_ioapic *ioapic, *root_ioapic;
	struct phys_ioapic *phys_ioapic;
	unsigned int n;

	if (cell->config->num_irqchips == 0)
		return 0;
	if (cell->config->num_irqchips > IOAPIC_MAX_CHIPS)
		return trace_error(-ERANGE);

	cell->arch.ioapics = page_alloc(&mem_pool, 1);
	if (!cell->arch.ioapics)
		return -ENOMEM;

	for (n = 0; n < cell->config->num_irqchips; n++, irqchip++) {
		phys_ioapic = ioapic_get_or_add_phys(irqchip);
		if (!phys_ioapic) {
			ioapic_cell_exit(cell);
			return -ENOMEM;
		}

		ioapic = &cell->arch.ioapics[n];
		ioapic->info = irqchip;
		ioapic->cell = cell;
		ioapic->phys_ioapic = phys_ioapic;
		ioapic->pin_bitmap = (u32)irqchip->pin_bitmap;
		cell->arch.num_ioapics++;

		mmio_region_register(cell, irqchip->address, PAGE_SIZE,
				     ioapic_access_handler, ioapic);

		if (cell != &root_cell) {
			root_ioapic = ioapic_find_by_address(&root_cell,
							     irqchip->address);
			if (root_ioapic) {
				root_ioapic->pin_bitmap &= ~ioapic->pin_bitmap;
				ioapic_mask_cell_pins(ioapic, PINS_MASKED);
			}
		}
	}

	return 0;
}