drivers/irqchip/irq-msi-lib.h

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // Copyright (C) 2022 Linutronix GmbH
   3 // Copyright (C) 2022 Intel
   4
   5 #ifndef _DRIVERS_IRQCHIP_IRQ_MSI_LIB_H
   6 #define _DRIVERS_IRQCHIP_IRQ_MSI_LIB_H
   7
   8 #include <linux/bits.h>
   9 #include <linux/irqdomain.h>
  10 #include <linux/msi.h>
  11
  12 #ifdef CONFIG_PCI_MSI
  13 #define MATCH_PCI_MSI           BIT(DOMAIN_BUS_PCI_MSI)
  14 #else
  15 #define MATCH_PCI_MSI           (0)
  16 #endif
  17
  18 #define MATCH_PLATFORM_MSI      BIT(DOMAIN_BUS_PLATFORM_MSI)
  19
  20 int msi_lib_irq_domain_select(struct irq_domain *d, struct irq_fwspec *fwspec,
  21                               enum irq_domain_bus_token bus_token);
  22
  23 bool msi_lib_init_dev_msi_info(struct device *dev, struct irq_domain *domain,
  24                                struct irq_domain *real_parent,
  25                                struct msi_domain_info *info);
  26
  27 #endif /* _DRIVERS_IRQCHIP_IRQ_MSI_LIB_H */