PCI: Add fwnode_handle to x86 pci_sysdata
Add an fwnode_handle to the x86 struct pci_sysdata, which will be used to locate an IRQ domain associated with a root PCI bus. [bhelgaas: changelog] Signed-off-by: Jake Oshins <jakeo@microsoft.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Родитель
92e963f50f
Коммит
92016ba5c1
|
@ -20,6 +20,9 @@ struct pci_sysdata {
|
||||||
#ifdef CONFIG_X86_64
|
#ifdef CONFIG_X86_64
|
||||||
void *iommu; /* IOMMU private data */
|
void *iommu; /* IOMMU private data */
|
||||||
#endif
|
#endif
|
||||||
|
#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
|
||||||
|
void *fwnode; /* IRQ domain for MSI assignment */
|
||||||
|
#endif
|
||||||
};
|
};
|
||||||
|
|
||||||
extern int pci_routeirq;
|
extern int pci_routeirq;
|
||||||
|
@ -32,6 +35,7 @@ extern int noioapicreroute;
|
||||||
static inline int pci_domain_nr(struct pci_bus *bus)
|
static inline int pci_domain_nr(struct pci_bus *bus)
|
||||||
{
|
{
|
||||||
struct pci_sysdata *sd = bus->sysdata;
|
struct pci_sysdata *sd = bus->sysdata;
|
||||||
|
|
||||||
return sd->domain;
|
return sd->domain;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -41,6 +45,17 @@ static inline int pci_proc_domain(struct pci_bus *bus)
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
|
||||||
|
static inline void *_pci_root_bus_fwnode(struct pci_bus *bus)
|
||||||
|
{
|
||||||
|
struct pci_sysdata *sd = bus->sysdata;
|
||||||
|
|
||||||
|
return sd->fwnode;
|
||||||
|
}
|
||||||
|
|
||||||
|
#define pci_root_bus_fwnode _pci_root_bus_fwnode
|
||||||
|
#endif
|
||||||
|
|
||||||
/* Can be used to override the logic in pci_scan_bus for skipping
|
/* Can be used to override the logic in pci_scan_bus for skipping
|
||||||
already-configured bus numbers - to be used for buggy BIOSes
|
already-configured bus numbers - to be used for buggy BIOSes
|
||||||
or architectures with incomplete PCI setup by the loader */
|
or architectures with incomplete PCI setup by the loader */
|
||||||
|
|
|
@ -1515,6 +1515,10 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
|
||||||
|
|
||||||
#include <asm/pci.h>
|
#include <asm/pci.h>
|
||||||
|
|
||||||
|
#ifndef pci_root_bus_fwnode
|
||||||
|
#define pci_root_bus_fwnode(bus) NULL
|
||||||
|
#endif
|
||||||
|
|
||||||
/* these helpers provide future and backwards compatibility
|
/* these helpers provide future and backwards compatibility
|
||||||
* for accessing popular PCI BAR info */
|
* for accessing popular PCI BAR info */
|
||||||
#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
|
#define pci_resource_start(dev, bar) ((dev)->resource[(bar)].start)
|
||||||
|
|
Загрузка…
Ссылка в новой задаче