Esempi in C++ (Cpp) per sys_to_pcie

Esempio n. 1

File: pci-keystone-dw.c Progetto: 19Dan01/linux

static void ks_dw_pcie_msi_irq_ack(struct irq_data *d)
{
	u32 offset, reg_offset, bit_pos;
	struct keystone_pcie *ks_pcie;
	unsigned int irq = d->irq;
	struct msi_desc *msi;
	struct pcie_port *pp;

	msi = irq_get_msi_desc(irq);
	pp = sys_to_pcie(msi->dev->bus->sysdata);
	ks_pcie = to_keystone_pcie(pp);
	offset = irq - irq_linear_revmap(pp->irq_domain, 0);
	update_reg_offset_bit_pos(offset, &reg_offset, &bit_pos);

	writel(BIT(bit_pos),
	       ks_pcie->va_app_base + MSI0_IRQ_STATUS + (reg_offset << 4));
	writel(reg_offset + MSI_IRQ_OFFSET, ks_pcie->va_app_base + IRQ_EOI);
}

Esempio n. 2

File: pcie-rcar.c Progetto: Trimblejena/HurricaneBSP-linux-fslc-imx-3.14-1.1.x

static int rcar_pcie_read_conf(struct pci_bus *bus, unsigned int devfn,
			       int where, int size, u32 *val)
{
	struct rcar_pcie *pcie = sys_to_pcie(bus->sysdata);
	int ret;

	if ((size == 2) && (where & 1))
		return PCIBIOS_BAD_REGISTER_NUMBER;
	else if ((size == 4) && (where & 3))
		return PCIBIOS_BAD_REGISTER_NUMBER;

	ret = rcar_pcie_config_access(pcie, PCI_ACCESS_READ,
				      bus, devfn, where, val);
	if (ret != PCIBIOS_SUCCESSFUL) {
		*val = 0xffffffff;
		return ret;
	}

	if (size == 1)
		*val = (*val >> (8 * (where & 3))) & 0xff;
	else if (size == 2)

Esempio n. 3

File: pci-keystone-dw.c Progetto: 19Dan01/linux

static void ks_dw_pcie_msi_irq_unmask(struct irq_data *d)
{
	struct keystone_pcie *ks_pcie;
	unsigned int irq = d->irq;
	struct msi_desc *msi;
	struct pcie_port *pp;
	u32 offset;

	msi = irq_get_msi_desc(irq);
	pp = sys_to_pcie(msi->dev->bus->sysdata);
	ks_pcie = to_keystone_pcie(pp);
	offset = irq - irq_linear_revmap(pp->irq_domain, 0);

	/* Mask the end point if PVM implemented */
	if (IS_ENABLED(CONFIG_PCI_MSI)) {
		if (msi->msi_attrib.maskbit)
			pci_msi_unmask_irq(d);
	}

	ks_dw_pcie_msi_set_irq(pp, offset);
}