bzr branch
http://suren.me/webbzr/alps/pcitool
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365
by Suren A. Chilingaryan
Restructure driver headers |
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#ifndef _PCIDRIVER_DEV_H
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#define _PCIDRIVER_DEV_H
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typedef struct pcidriver_privdata_s pcidriver_privdata_t; |
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#include "kmem.h" |
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#include "umem.h" |
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/* Hold the driver private data */
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struct pcidriver_privdata_s { |
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int devid; /* the device id */ |
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dev_t devno; /* device number (major and minor) */ |
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struct pci_dev *pdev; /* PCI device */ |
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struct device *class_dev; /* Class device */ |
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struct cdev cdev; /* char device struct */ |
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int mmap_mode; /* current mmap mode */ |
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int mmap_area; /* current PCI mmap area */ |
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#ifdef ENABLE_IRQ
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int irq_enabled; /* Non-zero if IRQ is enabled */ |
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int irq_count; /* Just an IRQ counter */ |
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wait_queue_head_t irq_queues[ PCIDRIVER_INT_MAXSOURCES ]; /* One queue per interrupt source */ |
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atomic_t irq_outstanding[ PCIDRIVER_INT_MAXSOURCES ]; /* Outstanding interrupts per queue */ |
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volatile unsigned int *bars_kmapped[6]; /* PCI BARs mmapped in kernel space */ |
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#endif
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spinlock_t kmemlist_lock; /* Spinlock to lock kmem list operations */ |
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struct list_head kmem_list; /* List of 'kmem_list_entry's associated with this device */ |
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pcidriver_kmem_entry_t *kmem_last_sync; /* Last accessed kmem entry */ |
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atomic_t kmem_count; /* id for next kmem entry */ |
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int kmem_cur_id; /* Currently selected kmem buffer, for mmap */ |
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spinlock_t umemlist_lock; /* Spinlock to lock umem list operations */ |
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struct list_head umem_list; /* List of 'umem_list_entry's associated with this device */ |
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atomic_t umem_count; /* id for next umem entry */ |
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int msi_mode; /* Flag specifying if interrupt have been initialized in MSI mode */ |
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atomic_t refs; /* Reference counter */ |
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};
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const struct file_operations *pcidriver_get_fops(void); |
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void pcidriver_module_get(pcidriver_privdata_t *privdata); |
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void pcidriver_module_put(pcidriver_privdata_t *privdata); |
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long pcidriver_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
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#endif /* _PCIDRIVER_DEV_H */ |
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