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#ifndef __OF_PCI_H
#define __OF_PCI_H

#include <linux/pci.h>
#include <linux/msi.h>

struct pci_dev;
struct of_phandle_args;
struct device_node;

#ifdef CONFIG_OF
int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
struct device_node *of_pci_find_child_device(struct device_node *parent,
					     unsigned int devfn);
int of_pci_get_devfn(struct device_node *np);
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
int of_get_pci_domain_nr(struct device_node *node);
void of_pci_dma_configure(struct pci_dev *pci_dev);
#else
static inline int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq)
{
	return 0;
}

static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
					     unsigned int devfn)
{
	return NULL;
}

static inline int of_pci_get_devfn(struct device_node *np)
{
	return -EINVAL;
}

static inline int
of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
	return 0;
}

static inline int
of_pci_parse_bus_range(struct device_node *node, struct resource *res)
{
	return -EINVAL;
}

static inline int
of_get_pci_domain_nr(struct device_node *node)
{
	return -1;
}

static inline void of_pci_dma_configure(struct pci_dev *pci_dev) { }
#endif

#if defined(CONFIG_OF_ADDRESS)
int of_pci_get_host_bridge_resources(struct device_node *dev,
			unsigned char busno, unsigned char bus_max,
			struct list_head *resources, resource_size_t *io_base);
#endif

#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
int of_pci_msi_chip_add(struct msi_controller *chip);
void of_pci_msi_chip_remove(struct msi_controller *chip);
struct msi_controller *of_pci_find_msi_chip_by_node(struct device_node *of_node);
#else
static inline int of_pci_msi_chip_add(struct msi_controller *chip) { return -EINVAL; }
static inline void of_pci_msi_chip_remove(struct msi_controller *chip) { }
static inline struct msi_controller *
of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
#endif

#endif
">, struct pipe_buffer *); /* * Get a reference to the pipe buffer. */ void (*get)(struct pipe_inode_info *, struct pipe_buffer *); }; /* Differs from PIPE_BUF in that PIPE_SIZE is the length of the actual memory allocation, whereas PIPE_BUF makes atomicity guarantees. */ #define PIPE_SIZE PAGE_SIZE /* Pipe lock and unlock operations */ void pipe_lock(struct pipe_inode_info *); void pipe_unlock(struct pipe_inode_info *); void pipe_double_lock(struct pipe_inode_info *, struct pipe_inode_info *); extern unsigned int pipe_max_size, pipe_min_size; int pipe_proc_fn(struct ctl_table *, int, void __user *, size_t *, loff_t *); /* Drop the inode semaphore and wait for a pipe event, atomically */ void pipe_wait(struct pipe_inode_info *pipe); struct pipe_inode_info *alloc_pipe_info(void); void free_pipe_info(struct pipe_inode_info *); /* Generic pipe buffer ops functions */ void generic_pipe_buf_get(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_confirm(struct pipe_inode_info *, struct pipe_buffer *); int generic_pipe_buf_steal(struct pipe_inode_info *, struct pipe_buffer *); void generic_pipe_buf_release(struct pipe_inode_info *, struct pipe_buffer *); extern const struct pipe_buf_operations nosteal_pipe_buf_ops; /* for F_SETPIPE_SZ and F_GETPIPE_SZ */ long pipe_fcntl(struct file *, unsigned int, unsigned long arg); struct pipe_inode_info *get_pipe_info(struct file *file); int create_pipe_files(struct file **, int); #endif