Initial import

1 files changed, 114 insertions, 0 deletions

diff --git a/driver/common.h b/driver/common.h
new file mode 100644
index 0000000..f386b49
--- /dev/null
+++ b/driver/common.h
@@ -0,0 +1,114 @@
+#ifndef _PCIDRIVER_COMMON_H
+#define _PCIDRIVER_COMMON_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;
+	struct list_head list;
+	dma_addr_t dma_handle;
+	unsigned long cpua;
+	unsigned long size;
+	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 */
+
+	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 */
+
+	
+} pcidriver_privdata_t;
+
+/* Identifies the mpRACE-1 boards */
+#define MPRACE1_VENDOR_ID 0x10b5
+#define MPRACE1_DEVICE_ID 0x9656
+
+/* Identifies the PCI-X Test boards */
+#define PCIXTEST_VENDOR_ID 0x10dc
+#define PCIXTEST_DEVICE_ID 0x0156
+
+/* Identifies the PCIe-PLDA Test board */
+#define PCIEPLDA_VENDOR_ID 0x1556
+#define PCIEPLDA_DEVICE_ID 0x1100
+
+/* Identifies the PCIe-ABB Test board */
+#define PCIEABB_VENDOR_ID 0x10dc
+#define PCIEABB_DEVICE_ID 0x0153
+
+/* Identifies the PCI-X PROGRAPE4 */
+#define PCIXPG4_VENDOR_ID 0x1679
+#define PCIXPG4_DEVICE_ID 0x0001
+
+/* Identifies the PCI-64 PROGRAPE4 */
+#define PCI64PG4_VENDOR_ID 0x1679
+#define PCI64PG4_DEVICE_ID 0x0005
+
+/* Identifies the PCI-E Xilinx ML605 */
+#define PCIE_XILINX_VENDOR_ID 0x10ee
+#define PCIE_ML605_DEVICE_ID 0x04a0
+
+/*************************************************************************/
+/* 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