struct irq_domain *hpet_create_irq_domain(int hpet_id)
{
struct irq_domain *parent;
struct irq_alloc_info info;
struct msi_domain_info *domain_info;
if (x86_vector_domain == NULL)
return NULL;
domain_info = kzalloc(sizeof(*domain_info), GFP_KERNEL);
if (!domain_info)
return NULL;
*domain_info = hpet_msi_domain_info;
domain_info->data = (void *)(long)hpet_id;
init_irq_alloc_info(&info, NULL);
info.type = X86_IRQ_ALLOC_TYPE_HPET;
info.hpet_id = hpet_id;
parent = irq_remapping_get_ir_irq_domain(&info);
if (parent == NULL)
parent = x86_vector_domain;
else
hpet_msi_controller.name = "IR-HPET-MSI";
return msi_create_irq_domain(NULL, domain_info, parent);
}
static struct irq_domain *dmar_get_irq_domain(void)
{
static struct irq_domain *dmar_domain;
static DEFINE_MUTEX(dmar_lock);
mutex_lock(&dmar_lock);
if (dmar_domain == NULL)
dmar_domain = msi_create_irq_domain(NULL, &dmar_msi_domain_info,
x86_vector_domain);
mutex_unlock(&dmar_lock);
return dmar_domain;
}
struct irq_domain *ti_sci_inta_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
struct irq_domain *domain;
ti_sci_inta_msi_update_chip_ops(info);
domain = msi_create_irq_domain(fwnode, info, parent);
if (domain)
irq_domain_update_bus_token(domain, DOMAIN_BUS_TI_SCI_INTA_MSI);
return domain;
}
/**
* fsl_mc_msi_create_irq_domain - Create a fsl-mc MSI interrupt domain
* @np: Optional device-tree node of the interrupt controller
* @info: MSI domain info
* @parent: Parent irq domain
*
* Updates the domain and chip ops and creates a fsl-mc MSI
* interrupt domain.
*
* Returns:
* A domain pointer or NULL in case of failure.
*/
struct irq_domain *fsl_mc_msi_create_irq_domain(struct fwnode_handle *fwnode,
struct msi_domain_info *info,
struct irq_domain *parent)
{
struct irq_domain *domain;
if (info->flags & MSI_FLAG_USE_DEF_DOM_OPS)
fsl_mc_msi_update_dom_ops(info);
if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
fsl_mc_msi_update_chip_ops(info);
domain = msi_create_irq_domain(fwnode, info, parent);
if (domain)
domain->bus_token = DOMAIN_BUS_FSL_MC_MSI;
return domain;
}
