#ifndef _SPARC64_IRQ_H
#define _SPARC64_IRQ_H
-#include <linux/config.h>
#include <linux/linkage.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <asm/pil.h>
#include <asm/ptrace.h>
+struct ino_bucket;
+
+#define MAX_IRQ_DESC_ACTION 4
+
+struct irq_desc {
+ void (*pre_handler)(struct ino_bucket *, void *, void *);
+ void *pre_handler_arg1;
+ void *pre_handler_arg2;
+ u32 action_active_mask;
+ struct irqaction action[MAX_IRQ_DESC_ACTION];
+};
+
/* You should not mess with this directly. That's the job of irq.c.
*
* If you make changes here, please update hand coded assembler of
- * SBUS/floppy interrupt handler in entry.S -DaveM
+ * the vectored interrupt trap handler in entry.S -DaveM
*
* This is currently one DCACHE line, two buckets per L2 cache
* line. Keep this in mind please.
/* Miscellaneous flags. */
/*0x06*/unsigned char flags;
- /* This is used to deal with IBF_DMA_SYNC on
- * Sabre systems.
- */
-/*0x07*/unsigned char synctab_ent;
-
- /* Reference to handler for this IRQ. If this is
- * non-NULL this means it is active and should be
- * serviced. Else the pending member is set to one
- * and later registry of the interrupt checks for
- * this condition.
- *
- * Normally this is just an irq_action structure.
- * But, on PCI, if multiple interrupt sources behind
- * a bridge have multiple interrupt sources that share
- * the same INO bucket, this points to an array of
- * pointers to four IRQ action structures.
- */
-/*0x08*/void *irq_info;
+ /* Currently unused. */
+/*0x07*/unsigned char __pad;
+
+ /* Reference to IRQ descriptor for this bucket. */
+/*0x08*/struct irq_desc *irq_info;
/* Sun5 Interrupt Clear Register. */
/*0x10*/unsigned long iclr;
};
-#ifdef CONFIG_PCI
-extern unsigned long pci_dma_wsync;
-extern unsigned long dma_sync_reg_table[256];
-extern unsigned char dma_sync_reg_table_entry;
-#endif
-
/* IMAP/ICLR register defines */
#define IMAP_VALID 0x80000000 /* IRQ Enabled */
#define IMAP_TID_UPA 0x7c000000 /* UPA TargetID */
#define IMAP_TID_JBUS 0x7c000000 /* JBUS TargetID */
+#define IMAP_TID_SHIFT 26
#define IMAP_AID_SAFARI 0x7c000000 /* Safari AgentID */
+#define IMAP_AID_SHIFT 26
#define IMAP_NID_SAFARI 0x03e00000 /* Safari NodeID */
+#define IMAP_NID_SHIFT 21
#define IMAP_IGN 0x000007c0 /* IRQ Group Number */
#define IMAP_INO 0x0000003f /* IRQ Number */
#define IMAP_INR 0x000007ff /* Full interrupt number*/
#define ICLR_PENDING 0x00000003 /* Pending state */
/* Only 8-bits are available, be careful. -DaveM */
-#define IBF_DMA_SYNC 0x01 /* DMA synchronization behind PCI bridge needed. */
-#define IBF_PCI 0x02 /* Indicates PSYCHO/SABRE/SCHIZO PCI interrupt. */
-#define IBF_ACTIVE 0x04 /* This interrupt is active and has a handler. */
-#define IBF_MULTI 0x08 /* On PCI, indicates shared bucket. */
-#define IBF_INPROGRESS 0x10 /* IRQ is being serviced. */
+#define IBF_PCI 0x02 /* PSYCHO/SABRE/SCHIZO PCI interrupt. */
+#define IBF_ACTIVE 0x04 /* Interrupt is active and has a handler.*/
+#define IBF_INPROGRESS 0x10 /* IRQ is being serviced. */
#define NUM_IVECS (IMAP_INR + 1)
extern struct ino_bucket ivector_table[NUM_IVECS];
#define disable_irq_nosync disable_irq
extern void enable_irq(unsigned int);
extern unsigned int build_irq(int pil, int inofixup, unsigned long iclr, unsigned long imap);
+extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino, int pil, unsigned char flags);
extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
-extern int request_fast_irq(unsigned int irq,
- irqreturn_t (*handler)(int, void *, struct pt_regs *),
- unsigned long flags, __const__ char *devname,
- void *dev_id);
-
static __inline__ void set_softint(unsigned long bits)
{
__asm__ __volatile__("wr %0, 0x0, %%set_softint"