DEVICE_COUNT_RESOURCE = PCI_NUM_RESOURCES,
};
+/*
+ * pci_power_t values must match the bits in the Capabilities PME_Support
+ * and Control/Status PowerState fields in the Power Management capability.
+ */
typedef int __bitwise pci_power_t;
#define PCI_D0 ((pci_power_t __force) 0)
static inline const char *pci_power_name(pci_power_t state)
{
- return pci_power_names[1 + (int) state];
+ return pci_power_names[1 + (__force int) state];
}
#define PCI_PM_D2_DELAY 200
unsigned int d2_support:1; /* Low power state D2 is supported */
unsigned int no_d1d2:1; /* D1 and D2 are forbidden */
unsigned int no_d3cold:1; /* D3cold is forbidden */
+ unsigned int bridge_d3:1; /* Allow D3 for bridge */
unsigned int d3cold_allowed:1; /* D3cold is allowed by user */
unsigned int mmio_always_on:1; /* disallow turning off io/mem
decoding during bar sizing */
* directly, use the values stored here. They might be different!
*/
unsigned int irq;
+ struct cpumask *irq_affinity;
struct resource resource[DEVICE_COUNT_RESOURCE]; /* I/O and memory regions + expansion ROMs */
bool match_driver; /* Skip attaching driver */
bool pci_dev_run_wake(struct pci_dev *dev);
bool pci_check_pme_status(struct pci_dev *dev);
void pci_pme_wakeup_bus(struct pci_bus *bus);
+void pci_d3cold_enable(struct pci_dev *dev);
+void pci_d3cold_disable(struct pci_dev *dev);
static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
bool enable)
/* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
resource_size_t pcibios_retrieve_fw_addr(struct pci_dev *dev, int idx);
void pci_bus_assign_resources(const struct pci_bus *bus);
+void pci_bus_claim_resources(struct pci_bus *bus);
void pci_bus_size_bridges(struct pci_bus *bus);
int pci_claim_resource(struct pci_dev *, int);
int pci_claim_bridge_resource(struct pci_dev *bridge, int i);
void pci_add_resource_offset(struct list_head *resources, struct resource *res,
resource_size_t offset);
void pci_free_resource_list(struct list_head *resources);
-void pci_bus_add_resource(struct pci_bus *bus, struct resource *res, unsigned int flags);
+void pci_bus_add_resource(struct pci_bus *bus, struct resource *res,
+ unsigned int flags);
struct resource *pci_bus_resource_n(const struct pci_bus *bus, int n);
void pci_bus_remove_resources(struct pci_bus *bus);
+int devm_request_pci_bus_resources(struct device *dev,
+ struct list_head *resources);
#define pci_bus_for_each_resource(bus, res, i) \
for (i = 0; \
unsigned long pci_address_to_pio(phys_addr_t addr);
phys_addr_t pci_pio_to_address(unsigned long pio);
int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr);
+void pci_unmap_iospace(struct resource *res);
static inline pci_bus_addr_t pci_bus_address(struct pci_dev *pdev, int bar)
{
int pci_set_vga_state(struct pci_dev *pdev, bool decode,
unsigned int command_bits, u32 flags);
+#define PCI_IRQ_NOLEGACY (1 << 0) /* don't use legacy interrupts */
+#define PCI_IRQ_NOMSI (1 << 1) /* don't use MSI interrupts */
+#define PCI_IRQ_NOMSIX (1 << 2) /* don't use MSI-X interrupts */
+#define PCI_IRQ_NOAFFINITY (1 << 3) /* don't auto-assign affinity */
+
/* kmem_cache style wrapper around pci_alloc_consistent() */
#include <linux/pci-dma.h>
return rc;
return 0;
}
+int pci_alloc_irq_vectors(struct pci_dev *dev, unsigned int min_vecs,
+ unsigned int max_vecs, unsigned int flags);
+void pci_free_irq_vectors(struct pci_dev *dev);
+int pci_irq_vector(struct pci_dev *dev, unsigned int nr);
+
#else
static inline int pci_msi_vec_count(struct pci_dev *dev) { return -ENOSYS; }
static inline void pci_msi_shutdown(struct pci_dev *dev) { }
static inline int pci_enable_msix_exact(struct pci_dev *dev,
struct msix_entry *entries, int nvec)
{ return -ENOSYS; }
+static inline int pci_alloc_irq_vectors(struct pci_dev *dev,
+ unsigned int min_vecs, unsigned int max_vecs,
+ unsigned int flags)
+{
+ if (min_vecs > 1)
+ return -EINVAL;
+ return 1;
+}
+static inline void pci_free_irq_vectors(struct pci_dev *dev)
+{
+}
+
+static inline int pci_irq_vector(struct pci_dev *dev, unsigned int nr)
+{
+ if (WARN_ON_ONCE(nr > 0))
+ return -EINVAL;
+ return dev->irq;
+}
#endif
#ifdef CONFIG_PCIEPORTBUS
{
return bus->domain_nr;
}
-void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent);
+#ifdef CONFIG_ACPI
+int acpi_pci_bus_find_domain_nr(struct pci_bus *bus);
#else
-static inline void pci_bus_assign_domain_nr(struct pci_bus *bus,
- struct device *parent)
-{
-}
+static inline int acpi_pci_bus_find_domain_nr(struct pci_bus *bus)
+{ return 0; }
+#endif
+int pci_bus_find_domain_nr(struct pci_bus *bus, struct device *parent);
#endif
/* some architectures require additional setup to direct VGA traffic */
unsigned int command_bits, u32 flags);
void pci_register_set_vga_state(arch_set_vga_state_t func);
+static inline int
+pci_request_io_regions(struct pci_dev *pdev, const char *name)
+{
+ return pci_request_selected_regions(pdev,
+ pci_select_bars(pdev, IORESOURCE_IO), name);
+}
+
+static inline void
+pci_release_io_regions(struct pci_dev *pdev)
+{
+ return pci_release_selected_regions(pdev,
+ pci_select_bars(pdev, IORESOURCE_IO));
+}
+
+static inline int
+pci_request_mem_regions(struct pci_dev *pdev, const char *name)
+{
+ return pci_request_selected_regions(pdev,
+ pci_select_bars(pdev, IORESOURCE_MEM), name);
+}
+
+static inline void
+pci_release_mem_regions(struct pci_dev *pdev)
+{
+ return pci_release_selected_regions(pdev,
+ pci_select_bars(pdev, IORESOURCE_MEM));
+}
+
#else /* CONFIG_PCI is not enabled */
static inline void pci_set_flags(int flags) { }
/* Some archs don't want to expose struct resource to userland as-is
* in sysfs and /proc
*/
-#ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER
+#ifdef HAVE_ARCH_PCI_RESOURCE_TO_USER
+void pci_resource_to_user(const struct pci_dev *dev, int bar,
+ const struct resource *rsrc,
+ resource_size_t *start, resource_size_t *end);
+#else
static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc, resource_size_t *start,
resource_size_t *end)
extern unsigned long pci_hotplug_io_size;
extern unsigned long pci_hotplug_mem_size;
+extern unsigned long pci_hotplug_bus_size;
/* Architecture-specific versions may override these (weak) */
void pcibios_disable_device(struct pci_dev *dev);
extern struct dev_pm_ops pcibios_pm_ops;
#endif
-#ifdef CONFIG_PCI_MMCONFIG
+#if defined(CONFIG_PCI_MMCONFIG) || defined(CONFIG_ACPI_MCFG)
void __init pci_mmcfg_early_init(void);
void __init pci_mmcfg_late_init(void);
#else
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