X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fmsi.h;h=6991ab5b24d1bbfd736df4d27315a83ee7271779;hb=b20bd1a5e78af267dc4b6e1ffed48d5d776302c5;hp=74c8a2ecc9dd0769e172f3f0469f0b1bb26ebf16;hpb=f7feaca77d6ad6bcfcc88ac54e3188970448d6fe;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/msi.h b/include/linux/msi.h
index 74c8a2e..6991ab5 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -1,6 +1,8 @@
 #ifndef LINUX_MSI_H
 #define LINUX_MSI_H
 
+#include <linux/list.h>
+
 struct msi_msg {
 	u32	address_lo;	/* low 32 bits of msi message address */
 	u32	address_hi;	/* high 32 bits of msi message address */
@@ -8,34 +10,37 @@ struct msi_msg {
 };
 
 /* Helper functions */
+struct irq_desc;
 extern void mask_msi_irq(unsigned int irq);
 extern void unmask_msi_irq(unsigned int irq);
+extern void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
+extern void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
 extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
 extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);
 
 struct msi_desc {
 	struct {
-		__u8	type	: 5; 	/* {0: unused, 5h:MSI, 11h:MSI-X} */
+		__u8	is_msix	: 1;
+		__u8	multiple: 3;	/* log2 number of messages */
 		__u8	maskbit	: 1; 	/* mask-pending bit supported ?   */
-		__u8	unused	: 1;
 		__u8	is_64	: 1;	/* Address size: 0=32bit 1=64bit  */
 		__u8	pos;	 	/* Location of the msi capability */
 		__u16	entry_nr;    	/* specific enabled entry 	  */
 		unsigned default_irq;	/* default pre-assigned irq	  */
-	}msi_attrib;
+	} msi_attrib;
 
-	struct {
-		__u16	head;
-		__u16	tail;
-	}link;
+	u32 masked;			/* mask bits */
+	unsigned int irq;
+	struct list_head list;
 
-	void __iomem *mask_base;
+	union {
+		void __iomem *mask_base;
+		u8 mask_pos;
+	};
 	struct pci_dev *dev;
 
-#ifdef CONFIG_PM
-	/* PM save area for MSIX address/data */
-	struct msi_msg msg_save;
-#endif
+	/* Last set MSI message */
+	struct msi_msg msg;
 };
 
 /*
@@ -43,6 +48,9 @@ struct msi_desc {
  */
 int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc);
 void arch_teardown_msi_irq(unsigned int irq);
+extern int arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type);
+extern void arch_teardown_msi_irqs(struct pci_dev *dev);
+extern int arch_msi_check_device(struct pci_dev* dev, int nvec, int type);
 
 
 #endif /* LINUX_MSI_H */