diff options
Diffstat (limited to 'driver/common.h')
| -rw-r--r-- | driver/common.h | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/driver/common.h b/driver/common.h index 6bc1329..a83fd5e 100644 --- a/driver/common.h +++ b/driver/common.h @@ -36,30 +36,28 @@ typedef struct { struct list_head list; unsigned int nr_pages; /* number of pages for this user memeory area */ struct page **pages; /* list of pointers to the pages */ - unsigned int nents; /* actual entries in the scatter/gatter list (NOT nents for the map function, but the result) */ + unsigned int nents; /* actual entries in the scatter/gatter list (NOT nents for the map function, but the result) */ struct scatterlist *sg; /* list of sg entries */ struct class_device_attribute sysfs_attr; /* initialized when adding the entry */ } pcidriver_umem_entry_t; /* Hold the driver private data */ typedef struct { - dev_t devno; /* device number (major and minor) */ + int devid; /* the device id */ + dev_t devno; /* device number (major and minor) */ struct pci_dev *pdev; /* PCI device */ - struct class_device *class_dev; /* Class device */ - struct cdev cdev; /* char device struct */ - int mmap_mode; /* current mmap mode */ - int mmap_area; /* current PCI mmap area */ + struct class_device *class_dev; /* Class device */ + struct cdev cdev; /* char device struct */ + int mmap_mode; /* current mmap mode */ + int mmap_area; /* current PCI mmap area */ #ifdef ENABLE_IRQ - int irq_enabled; /* Non-zero if IRQ is enabled */ - int irq_count; /* Just an IRQ counter */ - - wait_queue_head_t irq_queues[ PCIDRIVER_INT_MAXSOURCES ]; - /* One queue per interrupt source */ - atomic_t irq_outstanding[ PCIDRIVER_INT_MAXSOURCES ]; - /* Outstanding interrupts per queue */ - volatile unsigned int *bars_kmapped[6]; /* PCI BARs mmapped in kernel space */ + int irq_enabled; /* Non-zero if IRQ is enabled */ + int irq_count; /* Just an IRQ counter */ + wait_queue_head_t irq_queues[ PCIDRIVER_INT_MAXSOURCES ]; /* One queue per interrupt source */ + atomic_t irq_outstanding[ PCIDRIVER_INT_MAXSOURCES ]; /* Outstanding interrupts per queue */ + volatile unsigned int *bars_kmapped[6]; /* PCI BARs mmapped in kernel space */ #endif spinlock_t kmemlist_lock; /* Spinlock to lock kmem list operations */ @@ -81,6 +79,10 @@ typedef struct { void pcidriver_module_get(pcidriver_privdata_t *privdata); void pcidriver_module_put(pcidriver_privdata_t *privdata); +pcidriver_privdata_t *pcidriver_get_privdata(int devid); +void pcidriver_put_privdata(pcidriver_privdata_t *privdata); + + /*************************************************************************/ /* Some nice defines that make code more readable */ /* This is to print nice info in the log */ |