#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>
-/* 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
- *
- * This is currently one DCACHE line, two buckets per L2 cache
- * line. Keep this in mind please.
- */
-struct ino_bucket {
- /* Next handler in per-CPU PIL worklist. We know that
- * bucket pointers have the high 32-bits clear, so to
- * save space we only store the bits we need.
- */
-/*0x00*/unsigned int irq_chain;
-
- /* PIL to schedule this IVEC at. */
-/*0x04*/unsigned char pil;
-
- /* If an IVEC arrives while irq_info is NULL, we
- * set this to notify request_irq() about the event.
- */
-/*0x05*/unsigned char pending;
-
- /* 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;
-
- /* Sun5 Interrupt Clear Register. */
-/*0x10*/unsigned long iclr;
-
- /* Sun5 Interrupt Mapping Register. */
-/*0x18*/unsigned long imap;
-
-};
-
-#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_TRANSMIT 0x00000001 /* Transmit state */
#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 NUM_IVECS (IMAP_INR + 1)
-extern struct ino_bucket ivector_table[NUM_IVECS];
-
-#define __irq_ino(irq) \
- (((struct ino_bucket *)(unsigned long)(irq)) - &ivector_table[0])
-#define __irq_pil(irq) ((struct ino_bucket *)(unsigned long)(irq))->pil
-#define __bucket(irq) ((struct ino_bucket *)(unsigned long)(irq))
-#define __irq(bucket) ((unsigned int)(unsigned long)(bucket))
-
-static __inline__ char *__irq_itoa(unsigned int irq)
-{
- static char buff[16];
-
- sprintf(buff, "%d,%x", __irq_pil(irq), (unsigned int)__irq_ino(irq));
- return buff;
-}
-
-#define NR_IRQS 16
+/* The largest number of unique interrupt sources we support.
+ * If this needs to ever be larger than 255, you need to change
+ * the type of ino_bucket->virt_irq as appropriate.
+ *
+ * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq().
+ */
+#define NR_IRQS 255
+extern void irq_install_pre_handler(int virt_irq,
+ void (*func)(unsigned int, void *, void *),
+ void *arg1, void *arg2);
#define irq_canonicalize(irq) (irq)
-extern void disable_irq(unsigned int);
-#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 build_irq(int inofixup, unsigned long iclr, unsigned long imap);
+extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
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"
return retval;
}
-struct irqaction;
-struct pt_regs;
-int handle_IRQ_event(unsigned int, struct pt_regs *, struct irqaction *);
-
#endif
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