diff options
Diffstat (limited to 'driver/common.h')
-rw-r--r-- | driver/common.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/driver/common.h b/driver/common.h deleted file mode 100644 index eba56d7..0000000 --- a/driver/common.h +++ /dev/null @@ -1,108 +0,0 @@ -#ifndef _PCIDRIVER_COMMON_H -#define _PCIDRIVER_COMMON_H - -#include "pcilib_types.h" - -/*************************************************************************/ -/* Private data types and structures */ - - -/* Define an entry in the kmem list (this list is per device) */ -/* This list keeps references to the allocated kernel buffers */ -typedef struct { - int id; - enum dma_data_direction direction; - - struct list_head list; - dma_addr_t dma_handle; - unsigned long cpua; - unsigned long size; - unsigned long type; - unsigned long align; - - unsigned long use; - unsigned long item; - - spinlock_t lock; - unsigned long mode; - unsigned long refs; - - struct class_device_attribute sysfs_attr; /* initialized when adding the entry */ -} pcidriver_kmem_entry_t; - -/* Define an entry in the umem list (this list is per device) */ -/* This list keeps references to the SG lists for each mapped userspace region */ -typedef struct { - int id; - 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) */ - 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) */ - 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 */ - -#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 */ - -#endif - - spinlock_t kmemlist_lock; /* Spinlock to lock kmem list operations */ - struct list_head kmem_list; /* List of 'kmem_list_entry's associated with this device */ - atomic_t kmem_count; /* id for next kmem entry */ - - int kmem_cur_id; /* Currently selected kmem buffer, for mmap */ - - spinlock_t umemlist_lock; /* Spinlock to lock umem list operations */ - struct list_head umem_list; /* List of 'umem_list_entry's associated with this device */ - atomic_t umem_count; /* id for next umem entry */ - - int msi_mode; /* Flag specifying if interrupt have been initialized in MSI mode */ - atomic_t refs; /* Reference counter */ -} pcidriver_privdata_t; - - -void pcidriver_module_get(pcidriver_privdata_t *privdata); -void pcidriver_module_put(pcidriver_privdata_t *privdata); - -/*************************************************************************/ -/* Some nice defines that make code more readable */ -/* This is to print nice info in the log */ - -#ifdef DEBUG - #define mod_info( args... ) \ - do { printk( KERN_INFO "%s - %s : ", MODNAME , __FUNCTION__ );\ - printk( args ); } while(0) - #define mod_info_dbg( args... ) \ - do { printk( KERN_INFO "%s - %s : ", MODNAME , __FUNCTION__ );\ - printk( args ); } while(0) -#else - #define mod_info( args... ) \ - do { printk( KERN_INFO "%s: ", MODNAME );\ - printk( args ); } while(0) - #define mod_info_dbg( args... ) -#endif - -#define mod_crit( args... ) \ - do { printk( KERN_CRIT "%s: ", MODNAME );\ - printk( args ); } while(0) - -#define MIN(a, b) ((a) < (b) ? (a) : (b)) - -#endif |